30787640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59207}}^1$

素因数の和:59231

約数の個数: 32

約数和(自身を含む): 74602080

約数和(自身を除く): 43814440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59207, 118414, 236828, 296035, 473656, 592070, 769691, 1184140, 1539382, 2368280, 3078764, 3848455, 6157528, 7696910, 15393820, 30787640]

約数ペア:

[(1, 30787640), (2, 15393820), (4, 7696910), (5, 6157528), (8, 3848455), (10, 3078764), (13, 2368280), (20, 1539382), (26, 1184140), (40, 769691), (52, 592070), (65, 473656), (104, 296035), (130, 236828), (260, 118414), (520, 59207)]