1292320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 3143448

約数和(自身を除く): 1851128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 197, 205, 328, 394, 410, 656, 788, 820, 985, 1312, 1576, 1640, 1970, 3152, 3280, 3940, 6304, 6560, 7880, 8077, 15760, 16154, 31520, 32308, 40385, 64616, 80770, 129232, 161540, 258464, 323080, 646160, 1292320]

約数ペア:

[(1, 1292320), (2, 646160), (4, 323080), (5, 258464), (8, 161540), (10, 129232), (16, 80770), (20, 64616), (32, 40385), (40, 32308), (41, 31520), (80, 16154), (82, 15760), (160, 8077), (164, 7880), (197, 6560), (205, 6304), (328, 3940), (394, 3280), (410, 3152), (656, 1970), (788, 1640), (820, 1576), (985, 1312)]