70420520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21211}}^1$

素因数の和:21305

約数の個数: 32

約数和(自身を含む): 160362720

約数和(自身を除く): 89942200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 848440, 1760513, 3521026, 7042052, 8802565, 14084104, 17605130, 35210260, 70420520]

約数ペア:

[(1, 70420520), (2, 35210260), (4, 17605130), (5, 14084104), (8, 8802565), (10, 7042052), (20, 3521026), (40, 1760513), (83, 848440), (166, 424220), (332, 212110), (415, 169688), (664, 106055), (830, 84844), (1660, 42422), (3320, 21211)]