129203710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4116

約数の個数: 32

約数和(自身を含む): 241315200

約数和(自身を除く): 112111490

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 3989, 6478, 7978, 16195, 19945, 32390, 39890, 163549, 315131, 327098, 630262, 817745, 1575655, 1635490, 3151310, 12920371, 25840742, 64601855, 129203710]

約数ペア:

[(1, 129203710), (2, 64601855), (5, 25840742), (10, 12920371), (41, 3151310), (79, 1635490), (82, 1575655), (158, 817745), (205, 630262), (395, 327098), (410, 315131), (790, 163549), (3239, 39890), (3989, 32390), (6478, 19945), (7978, 16195)]