1283680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 3102624

約数和(自身を除く): 1818944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 113, 142, 160, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1136, 1420, 1808, 2260, 2272, 2840, 3616, 4520, 5680, 8023, 9040, 11360, 16046, 18080, 32092, 40115, 64184, 80230, 128368, 160460, 256736, 320920, 641840, 1283680]

約数ペア:

[(1, 1283680), (2, 641840), (4, 320920), (5, 256736), (8, 160460), (10, 128368), (16, 80230), (20, 64184), (32, 40115), (40, 32092), (71, 18080), (80, 16046), (113, 11360), (142, 9040), (160, 8023), (226, 5680), (284, 4520), (355, 3616), (452, 2840), (565, 2272), (568, 2260), (710, 1808), (904, 1420), (1130, 1136)]