2013643640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{637229}}^1$

素因数の和:637319

約数の個数: 32

約数和(自身を含む): 4588056000

約数和(自身を除く): 2574412360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 637229, 1274458, 2548916, 3186145, 5097832, 6372290, 12744580, 25489160, 50341091, 100682182, 201364364, 251705455, 402728728, 503410910, 1006821820, 2013643640]

約数ペア:

[(1, 2013643640), (2, 1006821820), (4, 503410910), (5, 402728728), (8, 251705455), (10, 201364364), (20, 100682182), (40, 50341091), (79, 25489160), (158, 12744580), (316, 6372290), (395, 5097832), (632, 3186145), (790, 2548916), (1580, 1274458), (3160, 637229)]