89981600

素因数分解:

$2^5\times 5^2\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:978

約数の個数: 72

約数和(自身を含む): 221540508

約数和(自身を除く): 131558908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 137, 160, 200, 274, 400, 548, 685, 800, 821, 1096, 1370, 1642, 2192, 2740, 3284, 3425, 4105, 4384, 5480, 6568, 6850, 8210, 10960, 13136, 13700, 16420, 20525, 21920, 26272, 27400, 32840, 41050, 54800, 65680, 82100, 109600, 112477, 131360, 164200, 224954, 328400, 449908, 562385, 656800, 899816, 1124770, 1799632, 2249540, 2811925, 3599264, 4499080, 5623850, 8998160, 11247700, 17996320, 22495400, 44990800, 89981600]

約数ペア:

[(1, 89981600), (2, 44990800), (4, 22495400), (5, 17996320), (8, 11247700), (10, 8998160), (16, 5623850), (20, 4499080), (25, 3599264), (32, 2811925), (40, 2249540), (50, 1799632), (80, 1124770), (100, 899816), (137, 656800), (160, 562385), (200, 449908), (274, 328400), (400, 224954), (548, 164200), (685, 131360), (800, 112477), (821, 109600), (1096, 82100), (1370, 65680), (1642, 54800), (2192, 41050), (2740, 32840), (3284, 27400), (3425, 26272), (4105, 21920), (4384, 20525), (5480, 16420), (6568, 13700), (6850, 13136), (8210, 10960)]