87768620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{258143}}^1$

素因数の和:258169

約数の個数: 24

約数和(自身を含む): 195156864

約数和(自身を除く): 107388244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 258143, 516286, 1032572, 1290715, 2581430, 4388431, 5162860, 8776862, 17553724, 21942155, 43884310, 87768620]

約数ペア:

[(1, 87768620), (2, 43884310), (4, 21942155), (5, 17553724), (10, 8776862), (17, 5162860), (20, 4388431), (34, 2581430), (68, 1290715), (85, 1032572), (170, 516286), (340, 258143)]