31105160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21017}}^1$

素因数の和:21065

約数の個数: 32

約数和(自身を含む): 71881560

約数和(自身を除く): 40776400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21017, 42034, 84068, 105085, 168136, 210170, 420340, 777629, 840680, 1555258, 3110516, 3888145, 6221032, 7776290, 15552580, 31105160]

約数ペア:

[(1, 31105160), (2, 15552580), (4, 7776290), (5, 6221032), (8, 3888145), (10, 3110516), (20, 1555258), (37, 840680), (40, 777629), (74, 420340), (148, 210170), (185, 168136), (296, 105085), (370, 84068), (740, 42034), (1480, 21017)]