105700025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 134217600

約数和(自身を除く): 28517575

約数列:

[1, 5, 25, 79, 109, 395, 491, 545, 1975, 2455, 2725, 8611, 12275, 38789, 43055, 53519, 193945, 215275, 267595, 969725, 1337975, 4228001, 21140005, 105700025]

約数ペア:

[(1, 105700025), (5, 21140005), (25, 4228001), (79, 1337975), (109, 969725), (395, 267595), (491, 215275), (545, 193945), (1975, 53519), (2455, 43055), (2725, 38789), (8611, 12275)]