40395520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 111847680

約数和(自身を除く): 71452160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 151, 152, 160, 176, 190, 209, 220, 256, 302, 304, 320, 352, 380, 418, 440, 604, 608, 640, 704, 755, 760, 836, 880, 1045, 1208, 1216, 1280, 1408, 1510, 1520, 1661, 1672, 1760, 2090, 2416, 2432, 2816, 2869, 3020, 3040, 3322, 3344, 3520, 4180, 4832, 4864, 5738, 6040, 6080, 6644, 6688, 7040, 8305, 8360, 9664, 11476, 12080, 12160, 13288, 13376, 14080, 14345, 16610, 16720, 19328, 22952, 24160, 24320, 26576, 26752, 28690, 31559, 33220, 33440, 38656, 45904, 48320, 53152, 53504, 57380, 63118, 66440, 66880, 91808, 96640, 106304, 114760, 126236, 132880, 133760, 157795, 183616, 193280, 212608, 229520, 252472, 265760, 267520, 315590, 367232, 425216, 459040, 504944, 531520, 631180, 734464, 918080, 1009888, 1063040, 1262360, 1836160, 2019776, 2126080, 2524720, 3672320, 4039552, 5049440, 8079104, 10098880, 20197760, 40395520]

約数ペア:

[(1, 40395520), (2, 20197760), (4, 10098880), (5, 8079104), (8, 5049440), (10, 4039552), (11, 3672320), (16, 2524720), (19, 2126080), (20, 2019776), (22, 1836160), (32, 1262360), (38, 1063040), (40, 1009888), (44, 918080), (55, 734464), (64, 631180), (76, 531520), (80, 504944), (88, 459040), (95, 425216), (110, 367232), (128, 315590), (151, 267520), (152, 265760), (160, 252472), (176, 229520), (190, 212608), (209, 193280), (220, 183616), (256, 157795), (302, 133760), (304, 132880), (320, 126236), (352, 114760), (380, 106304), (418, 96640), (440, 91808), (604, 66880), (608, 66440), (640, 63118), (704, 57380), (755, 53504), (760, 53152), (836, 48320), (880, 45904), (1045, 38656), (1208, 33440), (1216, 33220), (1280, 31559), (1408, 28690), (1510, 26752), (1520, 26576), (1661, 24320), (1672, 24160), (1760, 22952), (2090, 19328), (2416, 16720), (2432, 16610), (2816, 14345), (2869, 14080), (3020, 13376), (3040, 13288), (3322, 12160), (3344, 12080), (3520, 11476), (4180, 9664), (4832, 8360), (4864, 8305), (5738, 7040), (6040, 6688), (6080, 6644)]