71816840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105613}}^1$

素因数の和:105641

約数の個数: 32

約数和(自身を含む): 171094680

約数和(自身を除く): 99277840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105613, 211226, 422452, 528065, 844904, 1056130, 1795421, 2112260, 3590842, 4224520, 7181684, 8977105, 14363368, 17954210, 35908420, 71816840]

約数ペア:

[(1, 71816840), (2, 35908420), (4, 17954210), (5, 14363368), (8, 8977105), (10, 7181684), (17, 4224520), (20, 3590842), (34, 2112260), (40, 1795421), (68, 1056130), (85, 844904), (136, 528065), (170, 422452), (340, 211226), (680, 105613)]