1919640760

素因数分解:

$2^3\times 5^1\times {\mathrm{5581}}^1\times {\mathrm{8599}}^1$

素因数の和:14191

約数の個数: 32

約数和(自身を含む): 4320468000

約数和(自身を除く): 2400827240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5581, 8599, 11162, 17198, 22324, 27905, 34396, 42995, 44648, 55810, 68792, 85990, 111620, 171980, 223240, 343960, 47991019, 95982038, 191964076, 239955095, 383928152, 479910190, 959820380, 1919640760]

約数ペア:

[(1, 1919640760), (2, 959820380), (4, 479910190), (5, 383928152), (8, 239955095), (10, 191964076), (20, 95982038), (40, 47991019), (5581, 343960), (8599, 223240), (11162, 171980), (17198, 111620), (22324, 85990), (27905, 68792), (34396, 55810), (42995, 44648)]