20149522480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{44087}}^1$

素因数の和:44326

約数の個数: 80

約数和(自身を含む): 48710185920

約数和(自身を除く): 28560663440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 197, 232, 290, 394, 464, 580, 788, 985, 1160, 1576, 1970, 2320, 3152, 3940, 5713, 7880, 11426, 15760, 22852, 28565, 44087, 45704, 57130, 88174, 91408, 114260, 176348, 220435, 228520, 352696, 440870, 457040, 705392, 881740, 1278523, 1763480, 2557046, 3526960, 5114092, 6392615, 8685139, 10228184, 12785230, 17370278, 20456368, 25570460, 34740556, 43425695, 51140920, 69481112, 86851390, 102281840, 138962224, 173702780, 251869031, 347405560, 503738062, 694811120, 1007476124, 1259345155, 2014952248, 2518690310, 4029904496, 5037380620, 10074761240, 20149522480]

約数ペア:

[(1, 20149522480), (2, 10074761240), (4, 5037380620), (5, 4029904496), (8, 2518690310), (10, 2014952248), (16, 1259345155), (20, 1007476124), (29, 694811120), (40, 503738062), (58, 347405560), (80, 251869031), (116, 173702780), (145, 138962224), (197, 102281840), (232, 86851390), (290, 69481112), (394, 51140920), (464, 43425695), (580, 34740556), (788, 25570460), (985, 20456368), (1160, 17370278), (1576, 12785230), (1970, 10228184), (2320, 8685139), (3152, 6392615), (3940, 5114092), (5713, 3526960), (7880, 2557046), (11426, 1763480), (15760, 1278523), (22852, 881740), (28565, 705392), (44087, 457040), (45704, 440870), (57130, 352696), (88174, 228520), (91408, 220435), (114260, 176348)]