1888640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 4883760

約数和(自身を除く): 2995120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 227, 260, 320, 416, 454, 520, 640, 832, 908, 1040, 1135, 1664, 1816, 2080, 2270, 2951, 3632, 4160, 4540, 5902, 7264, 8320, 9080, 11804, 14528, 14755, 18160, 23608, 29056, 29510, 36320, 47216, 59020, 72640, 94432, 118040, 145280, 188864, 236080, 377728, 472160, 944320, 1888640]

約数ペア:

[(1, 1888640), (2, 944320), (4, 472160), (5, 377728), (8, 236080), (10, 188864), (13, 145280), (16, 118040), (20, 94432), (26, 72640), (32, 59020), (40, 47216), (52, 36320), (64, 29510), (65, 29056), (80, 23608), (104, 18160), (128, 14755), (130, 14528), (160, 11804), (208, 9080), (227, 8320), (260, 7264), (320, 5902), (416, 4540), (454, 4160), (520, 3632), (640, 2951), (832, 2270), (908, 2080), (1040, 1816), (1135, 1664)]