64397360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47351}}^1$

素因数の和:47381

約数の個数: 40

約数和(自身を含む): 158534496

約数和(自身を除く): 94137136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47351, 94702, 189404, 236755, 378808, 473510, 757616, 804967, 947020, 1609934, 1894040, 3219868, 3788080, 4024835, 6439736, 8049670, 12879472, 16099340, 32198680, 64397360]

約数ペア:

[(1, 64397360), (2, 32198680), (4, 16099340), (5, 12879472), (8, 8049670), (10, 6439736), (16, 4024835), (17, 3788080), (20, 3219868), (34, 1894040), (40, 1609934), (68, 947020), (80, 804967), (85, 757616), (136, 473510), (170, 378808), (272, 236755), (340, 189404), (680, 94702), (1360, 47351)]