51233080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 120729600

約数和(自身を除く): 69496520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 523, 620, 632, 790, 1046, 1240, 1580, 2092, 2449, 2615, 3160, 4184, 4898, 5230, 9796, 10460, 12245, 16213, 19592, 20920, 24490, 32426, 41317, 48980, 64852, 81065, 82634, 97960, 129704, 162130, 165268, 206585, 324260, 330536, 413170, 648520, 826340, 1280827, 1652680, 2561654, 5123308, 6404135, 10246616, 12808270, 25616540, 51233080]

約数ペア:

[(1, 51233080), (2, 25616540), (4, 12808270), (5, 10246616), (8, 6404135), (10, 5123308), (20, 2561654), (31, 1652680), (40, 1280827), (62, 826340), (79, 648520), (124, 413170), (155, 330536), (158, 324260), (248, 206585), (310, 165268), (316, 162130), (395, 129704), (523, 97960), (620, 82634), (632, 81065), (790, 64852), (1046, 48980), (1240, 41317), (1580, 32426), (2092, 24490), (2449, 20920), (2615, 19592), (3160, 16213), (4184, 12245), (4898, 10460), (5230, 9796)]