40160440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53151560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 179, 284, 316, 355, 358, 395, 568, 632, 710, 716, 790, 895, 1420, 1432, 1580, 1790, 2840, 3160, 3580, 5609, 7160, 11218, 12709, 14141, 22436, 25418, 28045, 28282, 44872, 50836, 56090, 56564, 63545, 70705, 101672, 112180, 113128, 127090, 141410, 224360, 254180, 282820, 508360, 565640, 1004011, 2008022, 4016044, 5020055, 8032088, 10040110, 20080220, 40160440]

約数ペア:

[(1, 40160440), (2, 20080220), (4, 10040110), (5, 8032088), (8, 5020055), (10, 4016044), (20, 2008022), (40, 1004011), (71, 565640), (79, 508360), (142, 282820), (158, 254180), (179, 224360), (284, 141410), (316, 127090), (355, 113128), (358, 112180), (395, 101672), (568, 70705), (632, 63545), (710, 56564), (716, 56090), (790, 50836), (895, 44872), (1420, 28282), (1432, 28045), (1580, 25418), (1790, 22436), (2840, 14141), (3160, 12709), (3580, 11218), (5609, 7160)]