2038640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1529

約数の個数: 40

約数和(自身を含む): 5022000

約数和(自身を除く): 2983360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1499, 2998, 5996, 7495, 11992, 14990, 23984, 25483, 29980, 50966, 59960, 101932, 119920, 127415, 203864, 254830, 407728, 509660, 1019320, 2038640]

約数ペア:

[(1, 2038640), (2, 1019320), (4, 509660), (5, 407728), (8, 254830), (10, 203864), (16, 127415), (17, 119920), (20, 101932), (34, 59960), (40, 50966), (68, 29980), (80, 25483), (85, 23984), (136, 14990), (170, 11992), (272, 7495), (340, 5996), (680, 2998), (1360, 1499)]