65069240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6481}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 147011760

約数和(自身を除く): 81942520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6481, 10040, 12962, 25924, 32405, 51848, 64810, 129620, 259240, 1626731, 3253462, 6506924, 8133655, 13013848, 16267310, 32534620, 65069240]

約数ペア:

[(1, 65069240), (2, 32534620), (4, 16267310), (5, 13013848), (8, 8133655), (10, 6506924), (20, 3253462), (40, 1626731), (251, 259240), (502, 129620), (1004, 64810), (1255, 51848), (2008, 32405), (2510, 25924), (5020, 12962), (6481, 10040)]