17801680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17143

約数の個数: 40

約数和(自身を含む): 44575272

約数和(自身を除く): 26773592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17117, 34234, 68468, 85585, 136936, 171170, 222521, 273872, 342340, 445042, 684680, 890084, 1112605, 1369360, 1780168, 2225210, 3560336, 4450420, 8900840, 17801680]

約数ペア:

[(1, 17801680), (2, 8900840), (4, 4450420), (5, 3560336), (8, 2225210), (10, 1780168), (13, 1369360), (16, 1112605), (20, 890084), (26, 684680), (40, 445042), (52, 342340), (65, 273872), (80, 222521), (104, 171170), (130, 136936), (208, 85585), (260, 68468), (520, 34234), (1040, 17117)]