25619640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 55665480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 97, 120, 124, 142, 155, 186, 194, 213, 248, 284, 291, 310, 355, 372, 388, 426, 465, 485, 568, 582, 620, 710, 744, 776, 852, 930, 970, 1065, 1164, 1240, 1420, 1455, 1704, 1860, 1940, 2130, 2201, 2328, 2840, 2910, 3007, 3720, 3880, 4260, 4402, 5820, 6014, 6603, 6887, 8520, 8804, 9021, 11005, 11640, 12028, 13206, 13774, 15035, 17608, 18042, 20661, 22010, 24056, 26412, 27548, 30070, 33015, 34435, 36084, 41322, 44020, 45105, 52824, 55096, 60140, 66030, 68870, 72168, 82644, 88040, 90210, 103305, 120280, 132060, 137740, 165288, 180420, 206610, 213497, 264120, 275480, 360840, 413220, 426994, 640491, 826440, 853988, 1067485, 1280982, 1707976, 2134970, 2561964, 3202455, 4269940, 5123928, 6404910, 8539880, 12809820, 25619640]

約数ペア:

[(1, 25619640), (2, 12809820), (3, 8539880), (4, 6404910), (5, 5123928), (6, 4269940), (8, 3202455), (10, 2561964), (12, 2134970), (15, 1707976), (20, 1280982), (24, 1067485), (30, 853988), (31, 826440), (40, 640491), (60, 426994), (62, 413220), (71, 360840), (93, 275480), (97, 264120), (120, 213497), (124, 206610), (142, 180420), (155, 165288), (186, 137740), (194, 132060), (213, 120280), (248, 103305), (284, 90210), (291, 88040), (310, 82644), (355, 72168), (372, 68870), (388, 66030), (426, 60140), (465, 55096), (485, 52824), (568, 45105), (582, 44020), (620, 41322), (710, 36084), (744, 34435), (776, 33015), (852, 30070), (930, 27548), (970, 26412), (1065, 24056), (1164, 22010), (1240, 20661), (1420, 18042), (1455, 17608), (1704, 15035), (1860, 13774), (1940, 13206), (2130, 12028), (2201, 11640), (2328, 11005), (2840, 9021), (2910, 8804), (3007, 8520), (3720, 6887), (3880, 6603), (4260, 6014), (4402, 5820)]