70787720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15661}}^1$

素因数の和:15785

約数の個数: 32

約数和(自身を含む): 160692120

約数和(自身を除く): 89904400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 15661, 31322, 62644, 78305, 125288, 156610, 313220, 626440, 1769693, 3539386, 7078772, 8848465, 14157544, 17696930, 35393860, 70787720]

約数ペア:

[(1, 70787720), (2, 35393860), (4, 17696930), (5, 14157544), (8, 8848465), (10, 7078772), (20, 3539386), (40, 1769693), (113, 626440), (226, 313220), (452, 156610), (565, 125288), (904, 78305), (1130, 62644), (2260, 31322), (4520, 15661)]