39997550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 77338800

約数和(自身を除く): 37341250

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 109, 179, 205, 218, 358, 410, 545, 895, 1025, 1090, 1790, 2050, 2725, 4469, 4475, 5450, 7339, 8938, 8950, 14678, 19511, 22345, 36695, 39022, 44690, 73390, 97555, 111725, 183475, 195110, 223450, 366950, 487775, 799951, 975550, 1599902, 3999755, 7999510, 19998775, 39997550]

約数ペア:

[(1, 39997550), (2, 19998775), (5, 7999510), (10, 3999755), (25, 1599902), (41, 975550), (50, 799951), (82, 487775), (109, 366950), (179, 223450), (205, 195110), (218, 183475), (358, 111725), (410, 97555), (545, 73390), (895, 44690), (1025, 39022), (1090, 36695), (1790, 22345), (2050, 19511), (2725, 14678), (4469, 8950), (4475, 8938), (5450, 7339)]