20929367680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{4421}}^1$

素因数の和:5022

約数の個数: 128

約数和(自身を含む): 53989966800

約数和(自身を除く): 33060599120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 569, 640, 832, 1040, 1138, 1664, 2080, 2276, 2845, 4160, 4421, 4552, 5690, 7397, 8320, 8842, 9104, 11380, 14794, 17684, 18208, 22105, 22760, 29588, 35368, 36416, 36985, 44210, 45520, 57473, 59176, 70736, 72832, 73970, 88420, 91040, 114946, 118352, 141472, 147940, 176840, 182080, 229892, 236704, 282944, 287365, 295880, 353680, 364160, 459784, 473408, 565888, 574730, 591760, 707360, 919568, 946816, 1149460, 1183520, 1414720, 1839136, 2298920, 2367040, 2515549, 2829440, 3678272, 4597840, 4734080, 5031098, 7356544, 9195680, 10062196, 12577745, 18391360, 20124392, 25155490, 32702137, 36782720, 40248784, 50310980, 65404274, 80497568, 100621960, 130808548, 160995136, 163510685, 201243920, 261617096, 321990272, 327021370, 402487840, 523234192, 654042740, 804975680, 1046468384, 1308085480, 1609951360, 2092936768, 2616170960, 4185873536, 5232341920, 10464683840, 20929367680]

約数ペア:

[(1, 20929367680), (2, 10464683840), (4, 5232341920), (5, 4185873536), (8, 2616170960), (10, 2092936768), (13, 1609951360), (16, 1308085480), (20, 1046468384), (26, 804975680), (32, 654042740), (40, 523234192), (52, 402487840), (64, 327021370), (65, 321990272), (80, 261617096), (104, 201243920), (128, 163510685), (130, 160995136), (160, 130808548), (208, 100621960), (260, 80497568), (320, 65404274), (416, 50310980), (520, 40248784), (569, 36782720), (640, 32702137), (832, 25155490), (1040, 20124392), (1138, 18391360), (1664, 12577745), (2080, 10062196), (2276, 9195680), (2845, 7356544), (4160, 5031098), (4421, 4734080), (4552, 4597840), (5690, 3678272), (7397, 2829440), (8320, 2515549), (8842, 2367040), (9104, 2298920), (11380, 1839136), (14794, 1414720), (17684, 1183520), (18208, 1149460), (22105, 946816), (22760, 919568), (29588, 707360), (35368, 591760), (36416, 574730), (36985, 565888), (44210, 473408), (45520, 459784), (57473, 364160), (59176, 353680), (70736, 295880), (72832, 287365), (73970, 282944), (88420, 236704), (91040, 229892), (114946, 182080), (118352, 176840), (141472, 147940)]