2783960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3566440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 881, 1580, 1762, 3160, 3524, 4405, 7048, 8810, 17620, 35240, 69599, 139198, 278396, 347995, 556792, 695990, 1391980, 2783960]

約数ペア:

[(1, 2783960), (2, 1391980), (4, 695990), (5, 556792), (8, 347995), (10, 278396), (20, 139198), (40, 69599), (79, 35240), (158, 17620), (316, 8810), (395, 7048), (632, 4405), (790, 3524), (881, 3160), (1580, 1762)]