19527625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 26810784

約数和(自身を除く): 7283159

約数列:

[1, 5, 13, 25, 61, 65, 125, 197, 305, 325, 793, 985, 1525, 1625, 2561, 3965, 4925, 7625, 12017, 12805, 19825, 24625, 60085, 64025, 99125, 156221, 300425, 320125, 781105, 1502125, 3905525, 19527625]

約数ペア:

[(1, 19527625), (5, 3905525), (13, 1502125), (25, 781105), (61, 320125), (65, 300425), (125, 156221), (197, 99125), (305, 64025), (325, 60085), (793, 24625), (985, 19825), (1525, 12805), (1625, 12017), (2561, 7625), (3965, 4925)]