2010995480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{54469}}^1$

素因数の和:54564

約数の個数: 64

約数和(自身を含む): 4941518400

約数和(自身を除く): 2930522920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 7384, 9230, 18460, 36920, 54469, 108938, 217876, 272345, 435752, 544690, 708097, 1089380, 1416194, 2178760, 2832388, 3540485, 3867299, 5664776, 7080970, 7734598, 14161940, 15469196, 19336495, 28323880, 30938392, 38672990, 50274887, 77345980, 100549774, 154691960, 201099548, 251374435, 402199096, 502748870, 1005497740, 2010995480]

約数ペア:

[(1, 2010995480), (2, 1005497740), (4, 502748870), (5, 402199096), (8, 251374435), (10, 201099548), (13, 154691960), (20, 100549774), (26, 77345980), (40, 50274887), (52, 38672990), (65, 30938392), (71, 28323880), (104, 19336495), (130, 15469196), (142, 14161940), (260, 7734598), (284, 7080970), (355, 5664776), (520, 3867299), (568, 3540485), (710, 2832388), (923, 2178760), (1420, 1416194), (1846, 1089380), (2840, 708097), (3692, 544690), (4615, 435752), (7384, 272345), (9230, 217876), (18460, 108938), (36920, 54469)]