28003075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 37426176

約数和(自身を除く): 9423101

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1571, 3565, 7855, 17825, 36133, 39275, 48701, 180665, 243505, 903325, 1120123, 1217525, 5600615, 28003075]

約数ペア:

[(1, 28003075), (5, 5600615), (23, 1217525), (25, 1120123), (31, 903325), (115, 243505), (155, 180665), (575, 48701), (713, 39275), (775, 36133), (1571, 17825), (3565, 7855)]