79521880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53731}}^1$

素因数の和:53779

約数の個数: 32

約数和(自身を含む): 183763440

約数和(自身を除く): 104241560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 53731, 107462, 214924, 268655, 429848, 537310, 1074620, 1988047, 2149240, 3976094, 7952188, 9940235, 15904376, 19880470, 39760940, 79521880]

約数ペア:

[(1, 79521880), (2, 39760940), (4, 19880470), (5, 15904376), (8, 9940235), (10, 7952188), (20, 3976094), (37, 2149240), (40, 1988047), (74, 1074620), (148, 537310), (185, 429848), (296, 268655), (370, 214924), (740, 107462), (1480, 53731)]