40416560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 99517440

約数和(自身を除く): 59100880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 379, 430, 496, 620, 688, 758, 860, 1240, 1333, 1516, 1720, 1895, 2480, 2666, 3032, 3440, 3790, 5332, 6064, 6665, 7580, 10664, 11749, 13330, 15160, 16297, 21328, 23498, 26660, 30320, 32594, 46996, 53320, 58745, 65188, 81485, 93992, 106640, 117490, 130376, 162970, 187984, 234980, 260752, 325940, 469960, 505207, 651880, 939920, 1010414, 1303760, 2020828, 2526035, 4041656, 5052070, 8083312, 10104140, 20208280, 40416560]

約数ペア:

[(1, 40416560), (2, 20208280), (4, 10104140), (5, 8083312), (8, 5052070), (10, 4041656), (16, 2526035), (20, 2020828), (31, 1303760), (40, 1010414), (43, 939920), (62, 651880), (80, 505207), (86, 469960), (124, 325940), (155, 260752), (172, 234980), (215, 187984), (248, 162970), (310, 130376), (344, 117490), (379, 106640), (430, 93992), (496, 81485), (620, 65188), (688, 58745), (758, 53320), (860, 46996), (1240, 32594), (1333, 30320), (1516, 26660), (1720, 23498), (1895, 21328), (2480, 16297), (2666, 15160), (3032, 13330), (3440, 11749), (3790, 10664), (5332, 7580), (6064, 6665)]