80017960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6271}}^1$

素因数の和:6322

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 123194840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6271, 6380, 12542, 12760, 25084, 31355, 50168, 62710, 68981, 125420, 137962, 181859, 250840, 275924, 344905, 363718, 551848, 689810, 727436, 909295, 1379620, 1454872, 1818590, 2000449, 2759240, 3637180, 4000898, 7274360, 8001796, 10002245, 16003592, 20004490, 40008980, 80017960]

約数ペア:

[(1, 80017960), (2, 40008980), (4, 20004490), (5, 16003592), (8, 10002245), (10, 8001796), (11, 7274360), (20, 4000898), (22, 3637180), (29, 2759240), (40, 2000449), (44, 1818590), (55, 1454872), (58, 1379620), (88, 909295), (110, 727436), (116, 689810), (145, 551848), (220, 363718), (232, 344905), (290, 275924), (319, 250840), (440, 181859), (580, 137962), (638, 125420), (1160, 68981), (1276, 62710), (1595, 50168), (2552, 31355), (3190, 25084), (6271, 12760), (6380, 12542)]