15706022840

素因数分解:

$2^3\times 5^1\times {\mathrm{6421}}^1\times {\mathrm{61151}}^1$

素因数の和:67583

約数の個数: 32

約数和(自身を含む): 35344632960

約数和(自身を除く): 19638610120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6421, 12842, 25684, 32105, 51368, 61151, 64210, 122302, 128420, 244604, 256840, 305755, 489208, 611510, 1223020, 2446040, 392650571, 785301142, 1570602284, 1963252855, 3141204568, 3926505710, 7853011420, 15706022840]

約数ペア:

[(1, 15706022840), (2, 7853011420), (4, 3926505710), (5, 3141204568), (8, 1963252855), (10, 1570602284), (20, 785301142), (40, 392650571), (6421, 2446040), (12842, 1223020), (25684, 611510), (32105, 489208), (51368, 305755), (61151, 256840), (64210, 244604), (122302, 128420)]