2000821880

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{139333}}^1$

素因数の和:139703

約数の個数: 32

約数和(自身を含む): 4514421600

約数和(自身を除く): 2513599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 14360, 139333, 278666, 557332, 696665, 1114664, 1393330, 2786660, 5573320, 50020547, 100041094, 200082188, 250102735, 400164376, 500205470, 1000410940, 2000821880]

約数ペア:

[(1, 2000821880), (2, 1000410940), (4, 500205470), (5, 400164376), (8, 250102735), (10, 200082188), (20, 100041094), (40, 50020547), (359, 5573320), (718, 2786660), (1436, 1393330), (1795, 1114664), (2872, 696665), (3590, 557332), (7180, 278666), (14360, 139333)]