7427440

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 17387280

約数和(自身を除く): 9959840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 409, 454, 818, 908, 1135, 1636, 1816, 2045, 2270, 3272, 3632, 4090, 4540, 6544, 8180, 9080, 16360, 18160, 32720, 92843, 185686, 371372, 464215, 742744, 928430, 1485488, 1856860, 3713720, 7427440]

約数ペア:

[(1, 7427440), (2, 3713720), (4, 1856860), (5, 1485488), (8, 928430), (10, 742744), (16, 464215), (20, 371372), (40, 185686), (80, 92843), (227, 32720), (409, 18160), (454, 16360), (818, 9080), (908, 8180), (1135, 6544), (1636, 4540), (1816, 4090), (2045, 3632), (2270, 3272)]