31621000

素因数分解:

$2^3\times 5^3\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 74954880

約数和(自身を除く): 43333880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 200, 206, 250, 307, 412, 500, 515, 614, 824, 1000, 1030, 1228, 1535, 2060, 2456, 2575, 3070, 4120, 5150, 6140, 7675, 10300, 12280, 12875, 15350, 20600, 25750, 30700, 31621, 38375, 51500, 61400, 63242, 76750, 103000, 126484, 153500, 158105, 252968, 307000, 316210, 632420, 790525, 1264840, 1581050, 3162100, 3952625, 6324200, 7905250, 15810500, 31621000]

約数ペア:

[(1, 31621000), (2, 15810500), (4, 7905250), (5, 6324200), (8, 3952625), (10, 3162100), (20, 1581050), (25, 1264840), (40, 790525), (50, 632420), (100, 316210), (103, 307000), (125, 252968), (200, 158105), (206, 153500), (250, 126484), (307, 103000), (412, 76750), (500, 63242), (515, 61400), (614, 51500), (824, 38375), (1000, 31621), (1030, 30700), (1228, 25750), (1535, 20600), (2060, 15350), (2456, 12875), (2575, 12280), (3070, 10300), (4120, 7675), (5150, 6140)]