13011520

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 31464504

約数和(自身を除く): 18452984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 557, 584, 730, 1114, 1168, 1460, 2228, 2336, 2785, 2920, 4456, 4672, 5570, 5840, 8912, 11140, 11680, 17824, 22280, 23360, 35648, 40661, 44560, 81322, 89120, 162644, 178240, 203305, 325288, 406610, 650576, 813220, 1301152, 1626440, 2602304, 3252880, 6505760, 13011520]

約数ペア:

[(1, 13011520), (2, 6505760), (4, 3252880), (5, 2602304), (8, 1626440), (10, 1301152), (16, 813220), (20, 650576), (32, 406610), (40, 325288), (64, 203305), (73, 178240), (80, 162644), (146, 89120), (160, 81322), (292, 44560), (320, 40661), (365, 35648), (557, 23360), (584, 22280), (730, 17824), (1114, 11680), (1168, 11140), (1460, 8912), (2228, 5840), (2336, 5570), (2785, 4672), (2920, 4456)]