56739920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 137991168

約数和(自身を除く): 81251248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 167, 248, 274, 310, 334, 496, 548, 620, 668, 685, 835, 1096, 1240, 1336, 1370, 1670, 2192, 2480, 2672, 2740, 3340, 4247, 5177, 5480, 6680, 8494, 10354, 10960, 13360, 16988, 20708, 21235, 22879, 25885, 33976, 41416, 42470, 45758, 51770, 67952, 82832, 84940, 91516, 103540, 114395, 169880, 183032, 207080, 228790, 339760, 366064, 414160, 457580, 709249, 915160, 1418498, 1830320, 2836996, 3546245, 5673992, 7092490, 11347984, 14184980, 28369960, 56739920]

約数ペア:

[(1, 56739920), (2, 28369960), (4, 14184980), (5, 11347984), (8, 7092490), (10, 5673992), (16, 3546245), (20, 2836996), (31, 1830320), (40, 1418498), (62, 915160), (80, 709249), (124, 457580), (137, 414160), (155, 366064), (167, 339760), (248, 228790), (274, 207080), (310, 183032), (334, 169880), (496, 114395), (548, 103540), (620, 91516), (668, 84940), (685, 82832), (835, 67952), (1096, 51770), (1240, 45758), (1336, 42470), (1370, 41416), (1670, 33976), (2192, 25885), (2480, 22879), (2672, 21235), (2740, 20708), (3340, 16988), (4247, 13360), (5177, 10960), (5480, 10354), (6680, 8494)]