12958471640

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{278557}}^1$

素因数の和:279731

約数の個数: 32

約数和(自身を含む): 29181736080

約数和(自身を除く): 16223264440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 2326, 4652, 5815, 9304, 11630, 23260, 46520, 278557, 557114, 1114228, 1392785, 2228456, 2785570, 5571140, 11142280, 323961791, 647923582, 1295847164, 1619808955, 2591694328, 3239617910, 6479235820, 12958471640]

約数ペア:

[(1, 12958471640), (2, 6479235820), (4, 3239617910), (5, 2591694328), (8, 1619808955), (10, 1295847164), (20, 647923582), (40, 323961791), (1163, 11142280), (2326, 5571140), (4652, 2785570), (5815, 2228456), (9304, 1392785), (11630, 1114228), (23260, 557114), (46520, 278557)]