78015340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4919}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 179363520

約数和(自身を除く): 101348180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4919, 7930, 9838, 15860, 19676, 24595, 49190, 63947, 98380, 127894, 255788, 300059, 319735, 600118, 639470, 1200236, 1278940, 1500295, 3000590, 3900767, 6001180, 7801534, 15603068, 19503835, 39007670, 78015340]

約数ペア:

[(1, 78015340), (2, 39007670), (4, 19503835), (5, 15603068), (10, 7801534), (13, 6001180), (20, 3900767), (26, 3000590), (52, 1500295), (61, 1278940), (65, 1200236), (122, 639470), (130, 600118), (244, 319735), (260, 300059), (305, 255788), (610, 127894), (793, 98380), (1220, 63947), (1586, 49190), (3172, 24595), (3965, 19676), (4919, 15860), (7930, 9838)]