28588400

素因数分解:

$2^4\times 5^2\times {\mathrm{71471}}^1$

素因数の和:71489

約数の個数: 30

約数和(自身を含む): 68684592

約数和(自身を除く): 40096192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71471, 142942, 285884, 357355, 571768, 714710, 1143536, 1429420, 1786775, 2858840, 3573550, 5717680, 7147100, 14294200, 28588400]

約数ペア:

[(1, 28588400), (2, 14294200), (4, 7147100), (5, 5717680), (8, 3573550), (10, 2858840), (16, 1786775), (20, 1429420), (25, 1143536), (40, 714710), (50, 571768), (80, 357355), (100, 285884), (200, 142942), (400, 71471)]