8732560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6451

約数の個数: 40

約数和(自身を含む): 21500856

約数和(自身を除く): 12768296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6421, 12842, 25684, 32105, 51368, 64210, 102736, 109157, 128420, 218314, 256840, 436628, 513680, 545785, 873256, 1091570, 1746512, 2183140, 4366280, 8732560]

約数ペア:

[(1, 8732560), (2, 4366280), (4, 2183140), (5, 1746512), (8, 1091570), (10, 873256), (16, 545785), (17, 513680), (20, 436628), (34, 256840), (40, 218314), (68, 128420), (80, 109157), (85, 102736), (136, 64210), (170, 51368), (272, 32105), (340, 25684), (680, 12842), (1360, 6421)]