89803220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^2$

素因数の和:361

約数の個数: 54

約数和(自身を含む): 205469838

約数和(自身を除く): 115666618

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 169, 260, 326, 338, 652, 676, 815, 845, 1630, 1690, 2119, 3260, 3380, 4238, 8476, 10595, 21190, 26569, 27547, 42380, 53138, 55094, 106276, 110188, 132845, 137735, 265690, 275470, 345397, 531380, 550940, 690794, 1381588, 1726985, 3453970, 4490161, 6907940, 8980322, 17960644, 22450805, 44901610, 89803220]

約数ペア:

[(1, 89803220), (2, 44901610), (4, 22450805), (5, 17960644), (10, 8980322), (13, 6907940), (20, 4490161), (26, 3453970), (52, 1726985), (65, 1381588), (130, 690794), (163, 550940), (169, 531380), (260, 345397), (326, 275470), (338, 265690), (652, 137735), (676, 132845), (815, 110188), (845, 106276), (1630, 55094), (1690, 53138), (2119, 42380), (3260, 27547), (3380, 26569), (4238, 21190), (8476, 10595)]