68193040

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2689}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 159108120

約数和(自身を除く): 90915080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 2689, 3170, 5072, 5378, 6340, 10756, 12680, 13445, 21512, 25360, 26890, 43024, 53780, 107560, 215120, 852413, 1704826, 3409652, 4262065, 6819304, 8524130, 13638608, 17048260, 34096520, 68193040]

約数ペア:

[(1, 68193040), (2, 34096520), (4, 17048260), (5, 13638608), (8, 8524130), (10, 6819304), (16, 4262065), (20, 3409652), (40, 1704826), (80, 852413), (317, 215120), (634, 107560), (1268, 53780), (1585, 43024), (2536, 26890), (2689, 25360), (3170, 21512), (5072, 13445), (5378, 12680), (6340, 10756)]