15910640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11699}}^1$

素因数の和:11729

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 23260960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11699, 23398, 46796, 58495, 93592, 116990, 187184, 198883, 233980, 397766, 467960, 795532, 935920, 994415, 1591064, 1988830, 3182128, 3977660, 7955320, 15910640]

約数ペア:

[(1, 15910640), (2, 7955320), (4, 3977660), (5, 3182128), (8, 1988830), (10, 1591064), (16, 994415), (17, 935920), (20, 795532), (34, 467960), (40, 397766), (68, 233980), (80, 198883), (85, 187184), (136, 116990), (170, 93592), (272, 58495), (340, 46796), (680, 23398), (1360, 11699)]