40401080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 94469760

約数和(自身を除く): 54068680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 283, 332, 344, 415, 430, 566, 664, 830, 860, 1132, 1415, 1660, 1720, 2264, 2830, 3320, 3569, 5660, 7138, 11320, 12169, 14276, 17845, 23489, 24338, 28552, 35690, 46978, 48676, 60845, 71380, 93956, 97352, 117445, 121690, 142760, 187912, 234890, 243380, 469780, 486760, 939560, 1010027, 2020054, 4040108, 5050135, 8080216, 10100270, 20200540, 40401080]

約数ペア:

[(1, 40401080), (2, 20200540), (4, 10100270), (5, 8080216), (8, 5050135), (10, 4040108), (20, 2020054), (40, 1010027), (43, 939560), (83, 486760), (86, 469780), (166, 243380), (172, 234890), (215, 187912), (283, 142760), (332, 121690), (344, 117445), (415, 97352), (430, 93956), (566, 71380), (664, 60845), (830, 48676), (860, 46978), (1132, 35690), (1415, 28552), (1660, 24338), (1720, 23489), (2264, 17845), (2830, 14276), (3320, 12169), (3569, 11320), (5660, 7138)]