28520125

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{1511}}^1$

素因数の和:1677

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 7332419

約数列:

[1, 5, 25, 125, 151, 755, 1511, 3775, 7555, 18875, 37775, 188875, 228161, 1140805, 5704025, 28520125]

約数ペア:

[(1, 28520125), (5, 5704025), (25, 1140805), (125, 228161), (151, 188875), (755, 37775), (1511, 18875), (3775, 7555)]