64896460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 141926400

約数和(自身を除く): 77029940

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 1279, 2537, 2558, 5074, 5116, 6395, 10148, 12685, 12790, 25370, 25580, 50740, 54997, 75461, 109994, 150922, 219988, 274985, 301844, 377305, 549970, 754610, 1099940, 1509220, 3244823, 6489646, 12979292, 16224115, 32448230, 64896460]

約数ペア:

[(1, 64896460), (2, 32448230), (4, 16224115), (5, 12979292), (10, 6489646), (20, 3244823), (43, 1509220), (59, 1099940), (86, 754610), (118, 549970), (172, 377305), (215, 301844), (236, 274985), (295, 219988), (430, 150922), (590, 109994), (860, 75461), (1180, 54997), (1279, 50740), (2537, 25580), (2558, 25370), (5074, 12790), (5116, 12685), (6395, 10148)]