220422080

素因数分解:

$2^6\times 5^1\times {\mathrm{821}}^1\times {\mathrm{839}}^1$

素因数の和:1677

約数の個数: 56

約数和(自身を含む): 526145760

約数和(自身を除く): 305723680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 821, 839, 1642, 1678, 3284, 3356, 4105, 4195, 6568, 6712, 8210, 8390, 13136, 13424, 16420, 16780, 26272, 26848, 32840, 33560, 52544, 53696, 65680, 67120, 131360, 134240, 262720, 268480, 688819, 1377638, 2755276, 3444095, 5510552, 6888190, 11021104, 13776380, 22042208, 27552760, 44084416, 55105520, 110211040, 220422080]

約数ペア:

[(1, 220422080), (2, 110211040), (4, 55105520), (5, 44084416), (8, 27552760), (10, 22042208), (16, 13776380), (20, 11021104), (32, 6888190), (40, 5510552), (64, 3444095), (80, 2755276), (160, 1377638), (320, 688819), (821, 268480), (839, 262720), (1642, 134240), (1678, 131360), (3284, 67120), (3356, 65680), (4105, 53696), (4195, 52544), (6568, 33560), (6712, 32840), (8210, 26848), (8390, 26272), (13136, 16780), (13424, 16420)]