51139860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10789}}^1$

素因数の和:10880

約数の個数: 48

約数和(自身を含む): 145017600

約数和(自身を除く): 93877740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 10789, 21578, 32367, 43156, 53945, 64734, 107890, 129468, 161835, 215780, 323670, 647340, 852331, 1704662, 2556993, 3409324, 4261655, 5113986, 8523310, 10227972, 12784965, 17046620, 25569930, 51139860]

約数ペア:

[(1, 51139860), (2, 25569930), (3, 17046620), (4, 12784965), (5, 10227972), (6, 8523310), (10, 5113986), (12, 4261655), (15, 3409324), (20, 2556993), (30, 1704662), (60, 852331), (79, 647340), (158, 323670), (237, 215780), (316, 161835), (395, 129468), (474, 107890), (790, 64734), (948, 53945), (1185, 43156), (1580, 32367), (2370, 21578), (4740, 10789)]