7204840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 16293960

約数和(自身を除く): 9089120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 641, 1124, 1282, 1405, 2248, 2564, 2810, 3205, 5128, 5620, 6410, 11240, 12820, 25640, 180121, 360242, 720484, 900605, 1440968, 1801210, 3602420, 7204840]

約数ペア:

[(1, 7204840), (2, 3602420), (4, 1801210), (5, 1440968), (8, 900605), (10, 720484), (20, 360242), (40, 180121), (281, 25640), (562, 12820), (641, 11240), (1124, 6410), (1282, 5620), (1405, 5128), (2248, 3205), (2564, 2810)]