8221460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 18834816

約数和(自身を除く): 10613356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 307, 412, 515, 614, 1030, 1228, 1339, 1535, 2060, 2678, 3070, 3991, 5356, 6140, 6695, 7982, 13390, 15964, 19955, 26780, 31621, 39910, 63242, 79820, 126484, 158105, 316210, 411073, 632420, 822146, 1644292, 2055365, 4110730, 8221460]

約数ペア:

[(1, 8221460), (2, 4110730), (4, 2055365), (5, 1644292), (10, 822146), (13, 632420), (20, 411073), (26, 316210), (52, 158105), (65, 126484), (103, 79820), (130, 63242), (206, 39910), (260, 31621), (307, 26780), (412, 19955), (515, 15964), (614, 13390), (1030, 7982), (1228, 6695), (1339, 6140), (1535, 5356), (2060, 3991), (2678, 3070)]