8835580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 12332420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1999, 2210, 3998, 4420, 7996, 9995, 19990, 25987, 33983, 39980, 51974, 67966, 103948, 129935, 135932, 169915, 259870, 339830, 441779, 519740, 679660, 883558, 1767116, 2208895, 4417790, 8835580]

約数ペア:

[(1, 8835580), (2, 4417790), (4, 2208895), (5, 1767116), (10, 883558), (13, 679660), (17, 519740), (20, 441779), (26, 339830), (34, 259870), (52, 169915), (65, 135932), (68, 129935), (85, 103948), (130, 67966), (170, 51974), (221, 39980), (260, 33983), (340, 25987), (442, 19990), (884, 9995), (1105, 7996), (1999, 4420), (2210, 3998)]