55649080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22807}}^1$

素因数の和:22879

約数の個数: 32

約数和(自身を含む): 127268640

約数和(自身を除く): 71619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22807, 45614, 91228, 114035, 182456, 228070, 456140, 912280, 1391227, 2782454, 5564908, 6956135, 11129816, 13912270, 27824540, 55649080]

約数ペア:

[(1, 55649080), (2, 27824540), (4, 13912270), (5, 11129816), (8, 6956135), (10, 5564908), (20, 2782454), (40, 1391227), (61, 912280), (122, 456140), (244, 228070), (305, 182456), (488, 114035), (610, 91228), (1220, 45614), (2440, 22807)]