40467280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 108564480

約数和(自身を除く): 68097200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 569, 635, 889, 1016, 1138, 1270, 1778, 2032, 2276, 2540, 2845, 3556, 3983, 4445, 4552, 5080, 5690, 7112, 7966, 8890, 9104, 10160, 11380, 14224, 15932, 17780, 19915, 22760, 31864, 35560, 39830, 45520, 63728, 71120, 72263, 79660, 144526, 159320, 289052, 318640, 361315, 505841, 578104, 722630, 1011682, 1156208, 1445260, 2023364, 2529205, 2890520, 4046728, 5058410, 5781040, 8093456, 10116820, 20233640, 40467280]

約数ペア:

[(1, 40467280), (2, 20233640), (4, 10116820), (5, 8093456), (7, 5781040), (8, 5058410), (10, 4046728), (14, 2890520), (16, 2529205), (20, 2023364), (28, 1445260), (35, 1156208), (40, 1011682), (56, 722630), (70, 578104), (80, 505841), (112, 361315), (127, 318640), (140, 289052), (254, 159320), (280, 144526), (508, 79660), (560, 72263), (569, 71120), (635, 63728), (889, 45520), (1016, 39830), (1138, 35560), (1270, 31864), (1778, 22760), (2032, 19915), (2276, 17780), (2540, 15932), (2845, 14224), (3556, 11380), (3983, 10160), (4445, 9104), (4552, 8890), (5080, 7966), (5690, 7112)]