129923540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{51151}}^1$

素因数の和:51287

約数の個数: 24

約数和(自身を含む): 274993152

約数和(自身を除く): 145069612

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 51151, 102302, 204604, 255755, 511510, 1023020, 6496177, 12992354, 25984708, 32480885, 64961770, 129923540]

約数ペア:

[(1, 129923540), (2, 64961770), (4, 32480885), (5, 25984708), (10, 12992354), (20, 6496177), (127, 1023020), (254, 511510), (508, 255755), (635, 204604), (1270, 102302), (2540, 51151)]