2912888240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{223381}}^1$

素因数の和:223557

約数の個数: 40

約数和(自身を含む): 6814044528

約数和(自身を除く): 3901156288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 223381, 446762, 893524, 1116905, 1787048, 2233810, 3574096, 4467620, 8935240, 17870480, 36411103, 72822206, 145644412, 182055515, 291288824, 364111030, 582577648, 728222060, 1456444120, 2912888240]

約数ペア:

[(1, 2912888240), (2, 1456444120), (4, 728222060), (5, 582577648), (8, 364111030), (10, 291288824), (16, 182055515), (20, 145644412), (40, 72822206), (80, 36411103), (163, 17870480), (326, 8935240), (652, 4467620), (815, 3574096), (1304, 2233810), (1630, 1787048), (2608, 1116905), (3260, 893524), (6520, 446762), (13040, 223381)]