71530247375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{1777}}^1\times {\mathrm{7489}}^1$

素因数の和:9324

約数の個数: 32

約数和(自身を含む): 91409398080

約数和(自身を除く): 19879150705

約数列:

[1, 5, 25, 43, 125, 215, 1075, 1777, 5375, 7489, 8885, 37445, 44425, 76411, 187225, 222125, 322027, 382055, 936125, 1610135, 1910275, 8050675, 9551375, 13307953, 40253375, 66539765, 332698825, 572241979, 1663494125, 2861209895, 14306049475, 71530247375]

約数ペア:

[(1, 71530247375), (5, 14306049475), (25, 2861209895), (43, 1663494125), (125, 572241979), (215, 332698825), (1075, 66539765), (1777, 40253375), (5375, 13307953), (7489, 9551375), (8885, 8050675), (37445, 1910275), (44425, 1610135), (76411, 936125), (187225, 382055), (222125, 322027)]