16905625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{2459}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 23055120

約数和(自身を除く): 6149495

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 2459, 6875, 12295, 27049, 61475, 135245, 307375, 676225, 1536875, 3381125, 16905625]

約数ペア:

[(1, 16905625), (5, 3381125), (11, 1536875), (25, 676225), (55, 307375), (125, 135245), (275, 61475), (625, 27049), (1375, 12295), (2459, 6875)]