80526040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 219801600

約数和(自身を除く): 139275560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 56, 58, 70, 94, 116, 140, 145, 188, 203, 211, 232, 235, 280, 290, 329, 376, 406, 422, 470, 580, 658, 812, 844, 940, 1015, 1055, 1160, 1316, 1363, 1477, 1624, 1645, 1688, 1880, 2030, 2110, 2632, 2726, 2954, 3290, 4060, 4220, 5452, 5908, 6119, 6580, 6815, 7385, 8120, 8440, 9541, 9917, 10904, 11816, 12238, 13160, 13630, 14770, 19082, 19834, 24476, 27260, 29540, 30595, 38164, 39668, 42833, 47705, 48952, 49585, 54520, 59080, 61190, 69419, 76328, 79336, 85666, 95410, 99170, 122380, 138838, 171332, 190820, 198340, 214165, 244760, 277676, 287593, 342664, 347095, 381640, 396680, 428330, 555352, 575186, 694190, 856660, 1150372, 1388380, 1437965, 1713320, 2013151, 2300744, 2776760, 2875930, 4026302, 5751860, 8052604, 10065755, 11503720, 16105208, 20131510, 40263020, 80526040]

約数ペア:

[(1, 80526040), (2, 40263020), (4, 20131510), (5, 16105208), (7, 11503720), (8, 10065755), (10, 8052604), (14, 5751860), (20, 4026302), (28, 2875930), (29, 2776760), (35, 2300744), (40, 2013151), (47, 1713320), (56, 1437965), (58, 1388380), (70, 1150372), (94, 856660), (116, 694190), (140, 575186), (145, 555352), (188, 428330), (203, 396680), (211, 381640), (232, 347095), (235, 342664), (280, 287593), (290, 277676), (329, 244760), (376, 214165), (406, 198340), (422, 190820), (470, 171332), (580, 138838), (658, 122380), (812, 99170), (844, 95410), (940, 85666), (1015, 79336), (1055, 76328), (1160, 69419), (1316, 61190), (1363, 59080), (1477, 54520), (1624, 49585), (1645, 48952), (1688, 47705), (1880, 42833), (2030, 39668), (2110, 38164), (2632, 30595), (2726, 29540), (2954, 27260), (3290, 24476), (4060, 19834), (4220, 19082), (5452, 14770), (5908, 13630), (6119, 13160), (6580, 12238), (6815, 11816), (7385, 10904), (8120, 9917), (8440, 9541)]