2069291240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{654839}}^1$

素因数の和:654929

約数の個数: 32

約数和(自身を含む): 4714848000

約数和(自身を除く): 2645556760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 654839, 1309678, 2619356, 3274195, 5238712, 6548390, 13096780, 26193560, 51732281, 103464562, 206929124, 258661405, 413858248, 517322810, 1034645620, 2069291240]

約数ペア:

[(1, 2069291240), (2, 1034645620), (4, 517322810), (5, 413858248), (8, 258661405), (10, 206929124), (20, 103464562), (40, 51732281), (79, 26193560), (158, 13096780), (316, 6548390), (395, 5238712), (632, 3274195), (790, 2619356), (1580, 1309678), (3160, 654839)]