1623280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 3830112

約数和(自身を除く): 2206832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 197, 206, 394, 412, 515, 788, 824, 985, 1030, 1576, 1648, 1970, 2060, 3152, 3940, 4120, 7880, 8240, 15760, 20291, 40582, 81164, 101455, 162328, 202910, 324656, 405820, 811640, 1623280]

約数ペア:

[(1, 1623280), (2, 811640), (4, 405820), (5, 324656), (8, 202910), (10, 162328), (16, 101455), (20, 81164), (40, 40582), (80, 20291), (103, 15760), (197, 8240), (206, 7880), (394, 4120), (412, 3940), (515, 3152), (788, 2060), (824, 1970), (985, 1648), (1030, 1576)]