1897440220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7297847}}^1$

素因数の和:7297869

約数の個数: 24

約数和(自身を含む): 4291134624

約数和(自身を除く): 2393694404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7297847, 14595694, 29191388, 36489235, 72978470, 94872011, 145956940, 189744022, 379488044, 474360055, 948720110, 1897440220]

約数ペア:

[(1, 1897440220), (2, 948720110), (4, 474360055), (5, 379488044), (10, 189744022), (13, 145956940), (20, 94872011), (26, 72978470), (52, 36489235), (65, 29191388), (130, 14595694), (260, 7297847)]