40719080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 97802640

約数和(自身を除く): 57083560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 233, 257, 340, 466, 514, 680, 932, 1028, 1165, 1285, 1864, 2056, 2330, 2570, 3961, 4369, 4660, 5140, 7922, 8738, 9320, 10280, 15844, 17476, 19805, 21845, 31688, 34952, 39610, 43690, 59881, 79220, 87380, 119762, 158440, 174760, 239524, 299405, 479048, 598810, 1017977, 1197620, 2035954, 2395240, 4071908, 5089885, 8143816, 10179770, 20359540, 40719080]

約数ペア:

[(1, 40719080), (2, 20359540), (4, 10179770), (5, 8143816), (8, 5089885), (10, 4071908), (17, 2395240), (20, 2035954), (34, 1197620), (40, 1017977), (68, 598810), (85, 479048), (136, 299405), (170, 239524), (233, 174760), (257, 158440), (340, 119762), (466, 87380), (514, 79220), (680, 59881), (932, 43690), (1028, 39610), (1165, 34952), (1285, 31688), (1864, 21845), (2056, 19805), (2330, 17476), (2570, 15844), (3961, 10280), (4369, 9320), (4660, 8738), (5140, 7922)]