25298390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8461}}^1$

素因数の和:8504

約数の個数: 32

約数和(自身を含む): 51178176

約数和(自身を除く): 25879786

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 8461, 16922, 42305, 84610, 109993, 194603, 219986, 389206, 549965, 973015, 1099930, 1946030, 2529839, 5059678, 12649195, 25298390]

約数ペア:

[(1, 25298390), (2, 12649195), (5, 5059678), (10, 2529839), (13, 1946030), (23, 1099930), (26, 973015), (46, 549965), (65, 389206), (115, 219986), (130, 194603), (230, 109993), (299, 84610), (598, 42305), (1495, 16922), (2990, 8461)]