205360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 508896

約数和(自身を除く): 303536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 151, 170, 272, 302, 340, 604, 680, 755, 1208, 1360, 1510, 2416, 2567, 3020, 5134, 6040, 10268, 12080, 12835, 20536, 25670, 41072, 51340, 102680, 205360]

約数ペア:

[(1, 205360), (2, 102680), (4, 51340), (5, 41072), (8, 25670), (10, 20536), (16, 12835), (17, 12080), (20, 10268), (34, 6040), (40, 5134), (68, 3020), (80, 2567), (85, 2416), (136, 1510), (151, 1360), (170, 1208), (272, 755), (302, 680), (340, 604)]