78025025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2377}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 105269304

約数和(自身を除く): 27244279

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 2377, 2525, 6565, 11885, 30901, 32825, 59425, 154505, 240077, 772525, 1200385, 3121001, 6001925, 15605005, 78025025]

約数ペア:

[(1, 78025025), (5, 15605005), (13, 6001925), (25, 3121001), (65, 1200385), (101, 772525), (325, 240077), (505, 154505), (1313, 59425), (2377, 32825), (2525, 30901), (6565, 11885)]