25702640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18899}}^1$

素因数の和:18929

約数の個数: 40

約数和(自身を含む): 63277200

約数和(自身を除く): 37574560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18899, 37798, 75596, 94495, 151192, 188990, 302384, 321283, 377980, 642566, 755960, 1285132, 1511920, 1606415, 2570264, 3212830, 5140528, 6425660, 12851320, 25702640]

約数ペア:

[(1, 25702640), (2, 12851320), (4, 6425660), (5, 5140528), (8, 3212830), (10, 2570264), (16, 1606415), (17, 1511920), (20, 1285132), (34, 755960), (40, 642566), (68, 377980), (80, 321283), (85, 302384), (136, 188990), (170, 151192), (272, 94495), (340, 75596), (680, 37798), (1360, 18899)]