20189519080

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{8807}}^1$

素因数の和:9298

約数の個数: 64

約数和(自身を含む): 45812874240

約数和(自身を除く): 25623355160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 257, 446, 514, 892, 1028, 1115, 1285, 1784, 2056, 2230, 2570, 4460, 5140, 8807, 8920, 10280, 17614, 35228, 44035, 57311, 70456, 88070, 114622, 176140, 229244, 286555, 352280, 458488, 573110, 1146220, 1963961, 2263399, 2292440, 3927922, 4526798, 7855844, 9053596, 9819805, 11316995, 15711688, 18107192, 19639610, 22633990, 39279220, 45267980, 78558440, 90535960, 504737977, 1009475954, 2018951908, 2523689885, 4037903816, 5047379770, 10094759540, 20189519080]

約数ペア:

[(1, 20189519080), (2, 10094759540), (4, 5047379770), (5, 4037903816), (8, 2523689885), (10, 2018951908), (20, 1009475954), (40, 504737977), (223, 90535960), (257, 78558440), (446, 45267980), (514, 39279220), (892, 22633990), (1028, 19639610), (1115, 18107192), (1285, 15711688), (1784, 11316995), (2056, 9819805), (2230, 9053596), (2570, 7855844), (4460, 4526798), (5140, 3927922), (8807, 2292440), (8920, 2263399), (10280, 1963961), (17614, 1146220), (35228, 573110), (44035, 458488), (57311, 352280), (70456, 286555), (88070, 229244), (114622, 176140)]