2002325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 2744616

約数和(自身を除く): 742291

約数列:

[1, 5, 13, 25, 61, 65, 101, 305, 325, 505, 793, 1313, 1525, 2525, 3965, 6161, 6565, 19825, 30805, 32825, 80093, 154025, 400465, 2002325]

約数ペア:

[(1, 2002325), (5, 400465), (13, 154025), (25, 80093), (61, 32825), (65, 30805), (101, 19825), (305, 6565), (325, 6161), (505, 3965), (793, 2525), (1313, 1525)]