420624625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 560431872

約数和(自身を除く): 139807247

約数列:

[1, 5, 17, 25, 85, 125, 131, 425, 655, 1511, 2125, 2227, 3275, 7555, 11135, 16375, 25687, 37775, 55675, 128435, 188875, 197941, 278375, 642175, 989705, 3210875, 3364997, 4948525, 16824985, 24742625, 84124925, 420624625]

約数ペア:

[(1, 420624625), (5, 84124925), (17, 24742625), (25, 16824985), (85, 4948525), (125, 3364997), (131, 3210875), (425, 989705), (655, 642175), (1511, 278375), (2125, 197941), (2227, 188875), (3275, 128435), (7555, 55675), (11135, 37775), (16375, 25687)]