81023800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2873

約数の個数: 96

約数和(自身を含む): 221392080

約数和(自身を除く): 140368280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 1100, 1144, 1300, 1430, 2200, 2600, 2833, 2860, 3575, 5666, 5720, 7150, 11332, 14165, 14300, 22664, 28330, 28600, 31163, 36829, 56660, 62326, 70825, 73658, 113320, 124652, 141650, 147316, 155815, 184145, 249304, 283300, 294632, 311630, 368290, 405119, 566600, 623260, 736580, 779075, 810238, 920725, 1246520, 1473160, 1558150, 1620476, 1841450, 2025595, 3116300, 3240952, 3682900, 4051190, 6232600, 7365800, 8102380, 10127975, 16204760, 20255950, 40511900, 81023800]

約数ペア:

[(1, 81023800), (2, 40511900), (4, 20255950), (5, 16204760), (8, 10127975), (10, 8102380), (11, 7365800), (13, 6232600), (20, 4051190), (22, 3682900), (25, 3240952), (26, 3116300), (40, 2025595), (44, 1841450), (50, 1620476), (52, 1558150), (55, 1473160), (65, 1246520), (88, 920725), (100, 810238), (104, 779075), (110, 736580), (130, 623260), (143, 566600), (200, 405119), (220, 368290), (260, 311630), (275, 294632), (286, 283300), (325, 249304), (440, 184145), (520, 155815), (550, 147316), (572, 141650), (650, 124652), (715, 113320), (1100, 73658), (1144, 70825), (1300, 62326), (1430, 56660), (2200, 36829), (2600, 31163), (2833, 28600), (2860, 28330), (3575, 22664), (5666, 14300), (5720, 14165), (7150, 11332)]