55649680

素因数分解:

$2^4\times 5^1\times {\mathrm{695621}}^1$

素因数の和:695634

約数の個数: 20

約数和(自身を含む): 129385692

約数和(自身を除く): 73736012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 695621, 1391242, 2782484, 3478105, 5564968, 6956210, 11129936, 13912420, 27824840, 55649680]

約数ペア:

[(1, 55649680), (2, 27824840), (4, 13912420), (5, 11129936), (8, 6956210), (10, 5564968), (16, 3478105), (20, 2782484), (40, 1391242), (80, 695621)]