71557880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29327}}^1$

素因数の和:29399

約数の個数: 32

約数和(自身を含む): 163650240

約数和(自身を除く): 92092360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29327, 58654, 117308, 146635, 234616, 293270, 586540, 1173080, 1788947, 3577894, 7155788, 8944735, 14311576, 17889470, 35778940, 71557880]

約数ペア:

[(1, 71557880), (2, 35778940), (4, 17889470), (5, 14311576), (8, 8944735), (10, 7155788), (20, 3577894), (40, 1788947), (61, 1173080), (122, 586540), (244, 293270), (305, 234616), (488, 146635), (610, 117308), (1220, 58654), (2440, 29327)]