64904609680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21927233}}^1$

素因数の和:21927283

約数の個数: 40

約数和(自身を含む): 154981689912

約数和(自身を除く): 90077080232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 21927233, 43854466, 87708932, 109636165, 175417864, 219272330, 350835728, 438544660, 811307621, 877089320, 1622615242, 1754178640, 3245230484, 4056538105, 6490460968, 8113076210, 12980921936, 16226152420, 32452304840, 64904609680]

約数ペア:

[(1, 64904609680), (2, 32452304840), (4, 16226152420), (5, 12980921936), (8, 8113076210), (10, 6490460968), (16, 4056538105), (20, 3245230484), (37, 1754178640), (40, 1622615242), (74, 877089320), (80, 811307621), (148, 438544660), (185, 350835728), (296, 219272330), (370, 175417864), (592, 109636165), (740, 87708932), (1480, 43854466), (2960, 21927233)]