1621880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 3931200

約数和(自身を除く): 2309320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3119, 6238, 12476, 15595, 24952, 31190, 40547, 62380, 81094, 124760, 162188, 202735, 324376, 405470, 810940, 1621880]

約数ペア:

[(1, 1621880), (2, 810940), (4, 405470), (5, 324376), (8, 202735), (10, 162188), (13, 124760), (20, 81094), (26, 62380), (40, 40547), (52, 31190), (65, 24952), (104, 15595), (130, 12476), (260, 6238), (520, 3119)]