28053080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 41585320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 619, 824, 1030, 1133, 1238, 2060, 2266, 2476, 3095, 4120, 4532, 4952, 5665, 6190, 6809, 9064, 11330, 12380, 13618, 22660, 24760, 27236, 34045, 45320, 54472, 63757, 68090, 127514, 136180, 255028, 272360, 318785, 510056, 637570, 701327, 1275140, 1402654, 2550280, 2805308, 3506635, 5610616, 7013270, 14026540, 28053080]

約数ペア:

[(1, 28053080), (2, 14026540), (4, 7013270), (5, 5610616), (8, 3506635), (10, 2805308), (11, 2550280), (20, 1402654), (22, 1275140), (40, 701327), (44, 637570), (55, 510056), (88, 318785), (103, 272360), (110, 255028), (206, 136180), (220, 127514), (412, 68090), (440, 63757), (515, 54472), (619, 45320), (824, 34045), (1030, 27236), (1133, 24760), (1238, 22660), (2060, 13618), (2266, 12380), (2476, 11330), (3095, 9064), (4120, 6809), (4532, 6190), (4952, 5665)]