40398988

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4019}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 81043200

約数和(自身を除く): 40644212

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 4019, 5026, 8038, 10052, 16076, 28133, 56266, 112532, 1442821, 2885642, 5771284, 10099747, 20199494, 40398988]

約数ペア:

[(1, 40398988), (2, 20199494), (4, 10099747), (7, 5771284), (14, 2885642), (28, 1442821), (359, 112532), (718, 56266), (1436, 28133), (2513, 16076), (4019, 10052), (5026, 8038)]