127940180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{104869}}^1$

素因数の和:104939

約数の個数: 24

約数和(自身を含む): 273081480

約数和(自身を除く): 145141300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 104869, 209738, 419476, 524345, 1048690, 2097380, 6397009, 12794018, 25588036, 31985045, 63970090, 127940180]

約数ペア:

[(1, 127940180), (2, 63970090), (4, 31985045), (5, 25588036), (10, 12794018), (20, 6397009), (61, 2097380), (122, 1048690), (244, 524345), (305, 419476), (610, 209738), (1220, 104869)]