49290440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20201}}^1$

素因数の和:20273

約数の個数: 32

約数和(自身を含む): 112727160

約数和(自身を除く): 63436720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 20201, 40402, 80804, 101005, 161608, 202010, 404020, 808040, 1232261, 2464522, 4929044, 6161305, 9858088, 12322610, 24645220, 49290440]

約数ペア:

[(1, 49290440), (2, 24645220), (4, 12322610), (5, 9858088), (8, 6161305), (10, 4929044), (20, 2464522), (40, 1232261), (61, 808040), (122, 404020), (244, 202010), (305, 161608), (488, 101005), (610, 80804), (1220, 40402), (2440, 20201)]