81025310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1699}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 154224000

約数和(自身を除く): 73198690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 1699, 2510, 3398, 4769, 8495, 9538, 16990, 23845, 32281, 47690, 64562, 161405, 322810, 426449, 852898, 2132245, 4264490, 8102531, 16205062, 40512655, 81025310]

約数ペア:

[(1, 81025310), (2, 40512655), (5, 16205062), (10, 8102531), (19, 4264490), (38, 2132245), (95, 852898), (190, 426449), (251, 322810), (502, 161405), (1255, 64562), (1699, 47690), (2510, 32281), (3398, 23845), (4769, 16990), (8495, 9538)]