64461920

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5519}}^1$

素因数の和:5607

約数の個数: 48

約数和(自身を含む): 154405440

約数和(自身を除く): 89943520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5519, 5840, 11038, 11680, 22076, 27595, 44152, 55190, 88304, 110380, 176608, 220760, 402887, 441520, 805774, 883040, 1611548, 2014435, 3223096, 4028870, 6446192, 8057740, 12892384, 16115480, 32230960, 64461920]

約数ペア:

[(1, 64461920), (2, 32230960), (4, 16115480), (5, 12892384), (8, 8057740), (10, 6446192), (16, 4028870), (20, 3223096), (32, 2014435), (40, 1611548), (73, 883040), (80, 805774), (146, 441520), (160, 402887), (292, 220760), (365, 176608), (584, 110380), (730, 88304), (1168, 55190), (1460, 44152), (2336, 27595), (2920, 22076), (5519, 11680), (5840, 11038)]