12509960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18397}}^1$

素因数の和:18425

約数の個数: 32

約数和(自身を含む): 29804760

約数和(自身を除く): 17294800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18397, 36794, 73588, 91985, 147176, 183970, 312749, 367940, 625498, 735880, 1250996, 1563745, 2501992, 3127490, 6254980, 12509960]

約数ペア:

[(1, 12509960), (2, 6254980), (4, 3127490), (5, 2501992), (8, 1563745), (10, 1250996), (17, 735880), (20, 625498), (34, 367940), (40, 312749), (68, 183970), (85, 147176), (136, 91985), (170, 73588), (340, 36794), (680, 18397)]