27781160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 68964480

約数和(自身を除く): 41183320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 613, 824, 1030, 1133, 1226, 2060, 2266, 2452, 3065, 4120, 4532, 4904, 5665, 6130, 6743, 9064, 11330, 12260, 13486, 22660, 24520, 26972, 33715, 45320, 53944, 63139, 67430, 126278, 134860, 252556, 269720, 315695, 505112, 631390, 694529, 1262780, 1389058, 2525560, 2778116, 3472645, 5556232, 6945290, 13890580, 27781160]

約数ペア:

[(1, 27781160), (2, 13890580), (4, 6945290), (5, 5556232), (8, 3472645), (10, 2778116), (11, 2525560), (20, 1389058), (22, 1262780), (40, 694529), (44, 631390), (55, 505112), (88, 315695), (103, 269720), (110, 252556), (206, 134860), (220, 126278), (412, 67430), (440, 63139), (515, 53944), (613, 45320), (824, 33715), (1030, 26972), (1133, 24520), (1226, 22660), (2060, 13486), (2266, 12260), (2452, 11330), (3065, 9064), (4120, 6743), (4532, 6130), (4904, 5665)]