40744920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19973}}^1$

素因数の和:20004

約数の個数: 64

約数和(自身を含む): 129431520

約数和(自身を除く): 88686600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 19973, 39946, 59919, 79892, 99865, 119838, 159784, 199730, 239676, 299595, 339541, 399460, 479352, 599190, 679082, 798920, 1018623, 1198380, 1358164, 1697705, 2037246, 2396760, 2716328, 3395410, 4074492, 5093115, 6790820, 8148984, 10186230, 13581640, 20372460, 40744920]

約数ペア:

[(1, 40744920), (2, 20372460), (3, 13581640), (4, 10186230), (5, 8148984), (6, 6790820), (8, 5093115), (10, 4074492), (12, 3395410), (15, 2716328), (17, 2396760), (20, 2037246), (24, 1697705), (30, 1358164), (34, 1198380), (40, 1018623), (51, 798920), (60, 679082), (68, 599190), (85, 479352), (102, 399460), (120, 339541), (136, 299595), (170, 239676), (204, 199730), (255, 159784), (340, 119838), (408, 99865), (510, 79892), (680, 59919), (1020, 39946), (2040, 19973)]