31412420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120817}}^1$

素因数の和:120839

約数の個数: 24

約数和(自身を含む): 71040984

約数和(自身を除く): 39628564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120817, 241634, 483268, 604085, 1208170, 1570621, 2416340, 3141242, 6282484, 7853105, 15706210, 31412420]

約数ペア:

[(1, 31412420), (2, 15706210), (4, 7853105), (5, 6282484), (10, 3141242), (13, 2416340), (20, 1570621), (26, 1208170), (52, 604085), (65, 483268), (130, 241634), (260, 120817)]