12648400

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 30782752

約数和(自身を除く): 18134352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 307, 400, 412, 515, 614, 824, 1030, 1228, 1535, 1648, 2060, 2456, 2575, 3070, 4120, 4912, 5150, 6140, 7675, 8240, 10300, 12280, 15350, 20600, 24560, 30700, 31621, 41200, 61400, 63242, 122800, 126484, 158105, 252968, 316210, 505936, 632420, 790525, 1264840, 1581050, 2529680, 3162100, 6324200, 12648400]

約数ペア:

[(1, 12648400), (2, 6324200), (4, 3162100), (5, 2529680), (8, 1581050), (10, 1264840), (16, 790525), (20, 632420), (25, 505936), (40, 316210), (50, 252968), (80, 158105), (100, 126484), (103, 122800), (200, 63242), (206, 61400), (307, 41200), (400, 31621), (412, 30700), (515, 24560), (614, 20600), (824, 15350), (1030, 12280), (1228, 10300), (1535, 8240), (1648, 7675), (2060, 6140), (2456, 5150), (2575, 4912), (3070, 4120)]