25103560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 40992440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 67, 68, 76, 85, 95, 116, 134, 136, 145, 152, 170, 190, 232, 268, 290, 323, 335, 340, 380, 493, 536, 551, 580, 646, 670, 680, 760, 986, 1102, 1139, 1160, 1273, 1292, 1340, 1615, 1943, 1972, 2204, 2278, 2465, 2546, 2584, 2680, 2755, 3230, 3886, 3944, 4408, 4556, 4930, 5092, 5510, 5695, 6365, 6460, 7772, 9112, 9367, 9715, 9860, 10184, 11020, 11390, 12730, 12920, 15544, 18734, 19430, 19720, 21641, 22040, 22780, 25460, 33031, 36917, 37468, 38860, 43282, 45560, 46835, 50920, 66062, 73834, 74936, 77720, 86564, 93670, 108205, 132124, 147668, 165155, 173128, 184585, 187340, 216410, 264248, 295336, 330310, 369170, 374680, 432820, 627589, 660620, 738340, 865640, 1255178, 1321240, 1476680, 2510356, 3137945, 5020712, 6275890, 12551780, 25103560]

約数ペア:

[(1, 25103560), (2, 12551780), (4, 6275890), (5, 5020712), (8, 3137945), (10, 2510356), (17, 1476680), (19, 1321240), (20, 1255178), (29, 865640), (34, 738340), (38, 660620), (40, 627589), (58, 432820), (67, 374680), (68, 369170), (76, 330310), (85, 295336), (95, 264248), (116, 216410), (134, 187340), (136, 184585), (145, 173128), (152, 165155), (170, 147668), (190, 132124), (232, 108205), (268, 93670), (290, 86564), (323, 77720), (335, 74936), (340, 73834), (380, 66062), (493, 50920), (536, 46835), (551, 45560), (580, 43282), (646, 38860), (670, 37468), (680, 36917), (760, 33031), (986, 25460), (1102, 22780), (1139, 22040), (1160, 21641), (1273, 19720), (1292, 19430), (1340, 18734), (1615, 15544), (1943, 12920), (1972, 12730), (2204, 11390), (2278, 11020), (2465, 10184), (2546, 9860), (2584, 9715), (2680, 9367), (2755, 9112), (3230, 7772), (3886, 6460), (3944, 6365), (4408, 5695), (4556, 5510), (4930, 5092)]