13248040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 32634000

約数和(自身を除く): 19385960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 349, 365, 520, 584, 698, 730, 949, 1396, 1460, 1745, 1898, 2792, 2920, 3490, 3796, 4537, 4745, 6980, 7592, 9074, 9490, 13960, 18148, 18980, 22685, 25477, 36296, 37960, 45370, 50954, 90740, 101908, 127385, 181480, 203816, 254770, 331201, 509540, 662402, 1019080, 1324804, 1656005, 2649608, 3312010, 6624020, 13248040]

約数ペア:

[(1, 13248040), (2, 6624020), (4, 3312010), (5, 2649608), (8, 1656005), (10, 1324804), (13, 1019080), (20, 662402), (26, 509540), (40, 331201), (52, 254770), (65, 203816), (73, 181480), (104, 127385), (130, 101908), (146, 90740), (260, 50954), (292, 45370), (349, 37960), (365, 36296), (520, 25477), (584, 22685), (698, 18980), (730, 18148), (949, 13960), (1396, 9490), (1460, 9074), (1745, 7592), (1898, 6980), (2792, 4745), (2920, 4537), (3490, 3796)]