28805500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 64157184

約数和(自身を除く): 35351684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1087, 1325, 2174, 2650, 4348, 5300, 5435, 6625, 10870, 13250, 21740, 26500, 27175, 54350, 57611, 108700, 115222, 135875, 230444, 271750, 288055, 543500, 576110, 1152220, 1440275, 2880550, 5761100, 7201375, 14402750, 28805500]

約数ペア:

[(1, 28805500), (2, 14402750), (4, 7201375), (5, 5761100), (10, 2880550), (20, 1440275), (25, 1152220), (50, 576110), (53, 543500), (100, 288055), (106, 271750), (125, 230444), (212, 135875), (250, 115222), (265, 108700), (500, 57611), (530, 54350), (1060, 27175), (1087, 26500), (1325, 21740), (2174, 13250), (2650, 10870), (4348, 6625), (5300, 5435)]