39847600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 105479360

約数和(自身を除く): 65631760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 97, 100, 104, 130, 158, 194, 200, 208, 260, 316, 325, 388, 395, 400, 485, 520, 632, 650, 776, 790, 970, 1027, 1040, 1261, 1264, 1300, 1552, 1580, 1940, 1975, 2054, 2425, 2522, 2600, 3160, 3880, 3950, 4108, 4850, 5044, 5135, 5200, 6305, 6320, 7663, 7760, 7900, 8216, 9700, 10088, 10270, 12610, 15326, 15800, 16432, 19400, 20176, 20540, 25220, 25675, 30652, 31525, 31600, 38315, 38800, 41080, 50440, 51350, 61304, 63050, 76630, 82160, 99619, 100880, 102700, 122608, 126100, 153260, 191575, 199238, 205400, 252200, 306520, 383150, 398476, 410800, 498095, 504400, 613040, 766300, 796952, 996190, 1532600, 1593904, 1992380, 2490475, 3065200, 3984760, 4980950, 7969520, 9961900, 19923800, 39847600]

約数ペア:

[(1, 39847600), (2, 19923800), (4, 9961900), (5, 7969520), (8, 4980950), (10, 3984760), (13, 3065200), (16, 2490475), (20, 1992380), (25, 1593904), (26, 1532600), (40, 996190), (50, 796952), (52, 766300), (65, 613040), (79, 504400), (80, 498095), (97, 410800), (100, 398476), (104, 383150), (130, 306520), (158, 252200), (194, 205400), (200, 199238), (208, 191575), (260, 153260), (316, 126100), (325, 122608), (388, 102700), (395, 100880), (400, 99619), (485, 82160), (520, 76630), (632, 63050), (650, 61304), (776, 51350), (790, 50440), (970, 41080), (1027, 38800), (1040, 38315), (1261, 31600), (1264, 31525), (1300, 30652), (1552, 25675), (1580, 25220), (1940, 20540), (1975, 20176), (2054, 19400), (2425, 16432), (2522, 15800), (2600, 15326), (3160, 12610), (3880, 10270), (3950, 10088), (4108, 9700), (4850, 8216), (5044, 7900), (5135, 7760), (5200, 7663), (6305, 6320)]