3991000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 10090080

約数和(自身を除く): 6099080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 307, 325, 500, 520, 614, 650, 1000, 1228, 1300, 1535, 1625, 2456, 2600, 3070, 3250, 3991, 6140, 6500, 7675, 7982, 12280, 13000, 15350, 15964, 19955, 30700, 31928, 38375, 39910, 61400, 76750, 79820, 99775, 153500, 159640, 199550, 307000, 399100, 498875, 798200, 997750, 1995500, 3991000]

約数ペア:

[(1, 3991000), (2, 1995500), (4, 997750), (5, 798200), (8, 498875), (10, 399100), (13, 307000), (20, 199550), (25, 159640), (26, 153500), (40, 99775), (50, 79820), (52, 76750), (65, 61400), (100, 39910), (104, 38375), (125, 31928), (130, 30700), (200, 19955), (250, 15964), (260, 15350), (307, 13000), (325, 12280), (500, 7982), (520, 7675), (614, 6500), (650, 6140), (1000, 3991), (1228, 3250), (1300, 3070), (1535, 2600), (1625, 2456)]