40562480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 108903744

約数和(自身を除く): 68341264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 641, 791, 904, 1130, 1282, 1582, 1808, 2260, 2564, 3164, 3205, 3955, 4487, 4520, 5128, 6328, 6410, 7910, 8974, 9040, 10256, 12656, 12820, 15820, 17948, 22435, 25640, 31640, 35896, 44870, 51280, 63280, 71792, 72433, 89740, 144866, 179480, 289732, 358960, 362165, 507031, 579464, 724330, 1014062, 1158928, 1448660, 2028124, 2535155, 2897320, 4056248, 5070310, 5794640, 8112496, 10140620, 20281240, 40562480]

約数ペア:

[(1, 40562480), (2, 20281240), (4, 10140620), (5, 8112496), (7, 5794640), (8, 5070310), (10, 4056248), (14, 2897320), (16, 2535155), (20, 2028124), (28, 1448660), (35, 1158928), (40, 1014062), (56, 724330), (70, 579464), (80, 507031), (112, 362165), (113, 358960), (140, 289732), (226, 179480), (280, 144866), (452, 89740), (560, 72433), (565, 71792), (641, 63280), (791, 51280), (904, 44870), (1130, 35896), (1282, 31640), (1582, 25640), (1808, 22435), (2260, 17948), (2564, 15820), (3164, 12820), (3205, 12656), (3955, 10256), (4487, 9040), (4520, 8974), (5128, 7910), (6328, 6410)]