20804529250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{7369}}^1$

素因数の和:7900

約数の個数: 64

約数和(自身を含む): 40727681280

約数和(自身を除く): 19923152030

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 491, 575, 982, 1150, 2455, 2875, 4910, 5750, 7369, 11293, 12275, 14738, 22586, 24550, 36845, 56465, 61375, 73690, 112930, 122750, 169487, 184225, 282325, 338974, 368450, 564650, 847435, 921125, 1411625, 1694870, 1842250, 2823250, 3618179, 4237175, 7236358, 8474350, 18090895, 21185875, 36181790, 42371750, 83218117, 90454475, 166436234, 180908950, 416090585, 452272375, 832181170, 904544750, 2080452925, 4160905850, 10402264625, 20804529250]

約数ペア:

[(1, 20804529250), (2, 10402264625), (5, 4160905850), (10, 2080452925), (23, 904544750), (25, 832181170), (46, 452272375), (50, 416090585), (115, 180908950), (125, 166436234), (230, 90454475), (250, 83218117), (491, 42371750), (575, 36181790), (982, 21185875), (1150, 18090895), (2455, 8474350), (2875, 7236358), (4910, 4237175), (5750, 3618179), (7369, 2823250), (11293, 1842250), (12275, 1694870), (14738, 1411625), (22586, 921125), (24550, 847435), (36845, 564650), (56465, 368450), (61375, 338974), (73690, 282325), (112930, 184225), (122750, 169487)]