40320616

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10141}}^1$

素因数の和:10225

約数の個数: 32

約数和(自身を含む): 87626880

約数和(自身を除く): 47306264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 10141, 20282, 40564, 70987, 81128, 141974, 283948, 567896, 720011, 1440022, 2880044, 5040077, 5760088, 10080154, 20160308, 40320616]

約数ペア:

[(1, 40320616), (2, 20160308), (4, 10080154), (7, 5760088), (8, 5040077), (14, 2880044), (28, 1440022), (56, 720011), (71, 567896), (142, 283948), (284, 141974), (497, 81128), (568, 70987), (994, 40564), (1988, 20282), (3976, 10141)]