251040010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{31657}}^1$

素因数の和:31738

約数の個数: 32

約数和(自身を含む): 494624592

約数和(自身を除く): 243584582

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 31657, 63314, 158285, 316570, 411541, 823082, 1931077, 2057705, 3862154, 4115410, 9655385, 19310770, 25104001, 50208002, 125520005, 251040010]

約数ペア:

[(1, 251040010), (2, 125520005), (5, 50208002), (10, 25104001), (13, 19310770), (26, 9655385), (61, 4115410), (65, 3862154), (122, 2057705), (130, 1931077), (305, 823082), (610, 411541), (793, 316570), (1586, 158285), (3965, 63314), (7930, 31657)]