1616918960080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{284668831}}^1$

素因数の和:284668915

約数の個数: 40

約数和(自身を含む): 3812284998144

約数和(自身を除く): 2195366038064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 284668831, 569337662, 1138675324, 1423344155, 2277350648, 2846688310, 4554701296, 5693376620, 11386753240, 20211487001, 22773506480, 40422974002, 80845948004, 101057435005, 161691896008, 202114870010, 323383792016, 404229740020, 808459480040, 1616918960080]

約数ペア:

[(1, 1616918960080), (2, 808459480040), (4, 404229740020), (5, 323383792016), (8, 202114870010), (10, 161691896008), (16, 101057435005), (20, 80845948004), (40, 40422974002), (71, 22773506480), (80, 20211487001), (142, 11386753240), (284, 5693376620), (355, 4554701296), (568, 2846688310), (710, 2277350648), (1136, 1423344155), (1420, 1138675324), (2840, 569337662), (5680, 284668831)]