40528540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 92659392

約数和(自身を除く): 52130852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1607, 1940, 2522, 3214, 5044, 6305, 6428, 8035, 12610, 16070, 20891, 25220, 32140, 41782, 83564, 104455, 155879, 208910, 311758, 417820, 623516, 779395, 1558790, 2026427, 3117580, 4052854, 8105708, 10132135, 20264270, 40528540]

約数ペア:

[(1, 40528540), (2, 20264270), (4, 10132135), (5, 8105708), (10, 4052854), (13, 3117580), (20, 2026427), (26, 1558790), (52, 779395), (65, 623516), (97, 417820), (130, 311758), (194, 208910), (260, 155879), (388, 104455), (485, 83564), (970, 41782), (1261, 32140), (1607, 25220), (1940, 20891), (2522, 16070), (3214, 12610), (5044, 8035), (6305, 6428)]