51538120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 69767480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 467, 620, 712, 890, 934, 1240, 1780, 1868, 2335, 2759, 3560, 3736, 4670, 5518, 9340, 11036, 13795, 14477, 18680, 22072, 27590, 28954, 41563, 55180, 57908, 72385, 83126, 110360, 115816, 144770, 166252, 207815, 289540, 332504, 415630, 579080, 831260, 1288453, 1662520, 2576906, 5153812, 6442265, 10307624, 12884530, 25769060, 51538120]

約数ペア:

[(1, 51538120), (2, 25769060), (4, 12884530), (5, 10307624), (8, 6442265), (10, 5153812), (20, 2576906), (31, 1662520), (40, 1288453), (62, 831260), (89, 579080), (124, 415630), (155, 332504), (178, 289540), (248, 207815), (310, 166252), (356, 144770), (445, 115816), (467, 110360), (620, 83126), (712, 72385), (890, 57908), (934, 55180), (1240, 41563), (1780, 28954), (1868, 27590), (2335, 22072), (2759, 18680), (3560, 14477), (3736, 13795), (4670, 11036), (5518, 9340)]