126279280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7481}}^1$

素因数の和:7705

約数の個数: 40

約数和(自身を含む): 295030224

約数和(自身を除く): 168750944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 7481, 8440, 14962, 16880, 29924, 37405, 59848, 74810, 119696, 149620, 299240, 598480, 1578491, 3156982, 6313964, 7892455, 12627928, 15784910, 25255856, 31569820, 63139640, 126279280]

約数ペア:

[(1, 126279280), (2, 63139640), (4, 31569820), (5, 25255856), (8, 15784910), (10, 12627928), (16, 7892455), (20, 6313964), (40, 3156982), (80, 1578491), (211, 598480), (422, 299240), (844, 149620), (1055, 119696), (1688, 74810), (2110, 59848), (3376, 37405), (4220, 29924), (7481, 16880), (8440, 14962)]