81336550

素因数分解:

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

素因数の和:6744

約数の個数: 24

約数和(自身を含む): 151912152

約数和(自身を除く): 70575602

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 2510, 6275, 6481, 12550, 12962, 32405, 64810, 162025, 324050, 1626731, 3253462, 8133655, 16267310, 40668275, 81336550]

約数ペア:

[(1, 81336550), (2, 40668275), (5, 16267310), (10, 8133655), (25, 3253462), (50, 1626731), (251, 324050), (502, 162025), (1255, 64810), (2510, 32405), (6275, 12962), (6481, 12550)]