1005640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 2338560

約数和(自身を除く): 1332920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 811, 1240, 1622, 3244, 4055, 6488, 8110, 16220, 25141, 32440, 50282, 100564, 125705, 201128, 251410, 502820, 1005640]

約数ペア:

[(1, 1005640), (2, 502820), (4, 251410), (5, 201128), (8, 125705), (10, 100564), (20, 50282), (31, 32440), (40, 25141), (62, 16220), (124, 8110), (155, 6488), (248, 4055), (310, 3244), (620, 1622), (811, 1240)]