57128240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 144344928

約数和(自身を除く): 87216688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 337, 520, 652, 674, 815, 1040, 1304, 1348, 1630, 1685, 2119, 2608, 2696, 3260, 3370, 4238, 4381, 5392, 6520, 6740, 8476, 8762, 10595, 13040, 13480, 16952, 17524, 21190, 21905, 26960, 33904, 35048, 42380, 43810, 54931, 70096, 84760, 87620, 109862, 169520, 175240, 219724, 274655, 350480, 439448, 549310, 714103, 878896, 1098620, 1428206, 2197240, 2856412, 3570515, 4394480, 5712824, 7141030, 11425648, 14282060, 28564120, 57128240]

約数ペア:

[(1, 57128240), (2, 28564120), (4, 14282060), (5, 11425648), (8, 7141030), (10, 5712824), (13, 4394480), (16, 3570515), (20, 2856412), (26, 2197240), (40, 1428206), (52, 1098620), (65, 878896), (80, 714103), (104, 549310), (130, 439448), (163, 350480), (208, 274655), (260, 219724), (326, 175240), (337, 169520), (520, 109862), (652, 87620), (674, 84760), (815, 70096), (1040, 54931), (1304, 43810), (1348, 42380), (1630, 35048), (1685, 33904), (2119, 26960), (2608, 21905), (2696, 21190), (3260, 17524), (3370, 16952), (4238, 13480), (4381, 13040), (5392, 10595), (6520, 8762), (6740, 8476)]