128218280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{110533}}^1$

素因数の和:110573

約数の個数: 32

約数和(自身を含む): 298441800

約数和(自身を除く): 170223520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 110533, 221066, 442132, 552665, 884264, 1105330, 2210660, 3205457, 4421320, 6410914, 12821828, 16027285, 25643656, 32054570, 64109140, 128218280]

約数ペア:

[(1, 128218280), (2, 64109140), (4, 32054570), (5, 25643656), (8, 16027285), (10, 12821828), (20, 6410914), (29, 4421320), (40, 3205457), (58, 2210660), (116, 1105330), (145, 884264), (232, 552665), (290, 442132), (580, 221066), (1160, 110533)]