18105680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13313}}^1$

素因数の和:13343

約数の個数: 40

約数和(自身を含む): 44575272

約数和(自身を除く): 26469592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13313, 26626, 53252, 66565, 106504, 133130, 213008, 226321, 266260, 452642, 532520, 905284, 1065040, 1131605, 1810568, 2263210, 3621136, 4526420, 9052840, 18105680]

約数ペア:

[(1, 18105680), (2, 9052840), (4, 4526420), (5, 3621136), (8, 2263210), (10, 1810568), (16, 1131605), (17, 1065040), (20, 905284), (34, 532520), (40, 452642), (68, 266260), (80, 226321), (85, 213008), (136, 133130), (170, 106504), (272, 66565), (340, 53252), (680, 26626), (1360, 13313)]