1036636420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1\times {\mathrm{811}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 2209939200

約数和(自身を除く): 1173302780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 809, 811, 1580, 1618, 1622, 3236, 3244, 4045, 4055, 8090, 8110, 16180, 16220, 63911, 64069, 127822, 128138, 255644, 256276, 319555, 320345, 639110, 640690, 656099, 1278220, 1281380, 1312198, 2624396, 3280495, 6560990, 13121980, 51831821, 103663642, 207327284, 259159105, 518318210, 1036636420]

約数ペア:

[(1, 1036636420), (2, 518318210), (4, 259159105), (5, 207327284), (10, 103663642), (20, 51831821), (79, 13121980), (158, 6560990), (316, 3280495), (395, 2624396), (790, 1312198), (809, 1281380), (811, 1278220), (1580, 656099), (1618, 640690), (1622, 639110), (3236, 320345), (3244, 319555), (4045, 256276), (4055, 255644), (8090, 128138), (8110, 127822), (16180, 64069), (16220, 63911)]