40855640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1847}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 106444800

約数和(自身を除く): 65589160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 1847, 2212, 2765, 3160, 3694, 4424, 5530, 7388, 9235, 11060, 12929, 14776, 18470, 22120, 25858, 36940, 51716, 64645, 73880, 103432, 129290, 145913, 258580, 291826, 517160, 583652, 729565, 1021391, 1167304, 1459130, 2042782, 2918260, 4085564, 5106955, 5836520, 8171128, 10213910, 20427820, 40855640]

約数ペア:

[(1, 40855640), (2, 20427820), (4, 10213910), (5, 8171128), (7, 5836520), (8, 5106955), (10, 4085564), (14, 2918260), (20, 2042782), (28, 1459130), (35, 1167304), (40, 1021391), (56, 729565), (70, 583652), (79, 517160), (140, 291826), (158, 258580), (280, 145913), (316, 129290), (395, 103432), (553, 73880), (632, 64645), (790, 51716), (1106, 36940), (1580, 25858), (1847, 22120), (2212, 18470), (2765, 14776), (3160, 12929), (3694, 11060), (4424, 9235), (5530, 7388)]