56408840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45491}}^1$

素因数の和:45533

約数の個数: 32

約数和(自身を含む): 131016960

約数和(自身を除く): 74608120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45491, 90982, 181964, 227455, 363928, 454910, 909820, 1410221, 1819640, 2820442, 5640884, 7051105, 11281768, 14102210, 28204420, 56408840]

約数ペア:

[(1, 56408840), (2, 28204420), (4, 14102210), (5, 11281768), (8, 7051105), (10, 5640884), (20, 2820442), (31, 1819640), (40, 1410221), (62, 909820), (124, 454910), (155, 363928), (248, 227455), (310, 181964), (620, 90982), (1240, 45491)]