2018304520

素因数分解:

$2^3\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{42013}}^1$

素因数の和:43225

約数の個数: 32

約数和(自身を含む): 4545074520

約数和(自身を除く): 2526770000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1201, 2402, 4804, 6005, 9608, 12010, 24020, 42013, 48040, 84026, 168052, 210065, 336104, 420130, 840260, 1680520, 50457613, 100915226, 201830452, 252288065, 403660904, 504576130, 1009152260, 2018304520]

約数ペア:

[(1, 2018304520), (2, 1009152260), (4, 504576130), (5, 403660904), (8, 252288065), (10, 201830452), (20, 100915226), (40, 50457613), (1201, 1680520), (2402, 840260), (4804, 420130), (6005, 336104), (9608, 210065), (12010, 168052), (24020, 84026), (42013, 48040)]