25619750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7913

約数の個数: 32

約数和(自身を含む): 51655968

約数和(自身を除く): 26036218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 7883, 15766, 39415, 78830, 102479, 197075, 204958, 394150, 512395, 985375, 1024790, 1970750, 2561975, 5123950, 12809875, 25619750]

約数ペア:

[(1, 25619750), (2, 12809875), (5, 5123950), (10, 2561975), (13, 1970750), (25, 1024790), (26, 985375), (50, 512395), (65, 394150), (125, 204958), (130, 197075), (250, 102479), (325, 78830), (650, 39415), (1625, 15766), (3250, 7883)]