40881940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 99644832

約数和(自身を除く): 58762892

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 643, 748, 935, 1156, 1286, 1445, 1870, 2572, 2890, 3179, 3215, 3740, 5780, 6358, 6430, 7073, 10931, 12716, 12860, 14146, 15895, 21862, 28292, 31790, 35365, 43724, 54655, 63580, 70730, 109310, 120241, 141460, 185827, 218620, 240482, 371654, 480964, 601205, 743308, 929135, 1202410, 1858270, 2044097, 2404820, 3716540, 4088194, 8176388, 10220485, 20440970, 40881940]

約数ペア:

[(1, 40881940), (2, 20440970), (4, 10220485), (5, 8176388), (10, 4088194), (11, 3716540), (17, 2404820), (20, 2044097), (22, 1858270), (34, 1202410), (44, 929135), (55, 743308), (68, 601205), (85, 480964), (110, 371654), (170, 240482), (187, 218620), (220, 185827), (289, 141460), (340, 120241), (374, 109310), (578, 70730), (643, 63580), (748, 54655), (935, 43724), (1156, 35365), (1286, 31790), (1445, 28292), (1870, 21862), (2572, 15895), (2890, 14146), (3179, 12860), (3215, 12716), (3740, 10931), (5780, 7073), (6358, 6430)]