61613080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9811}}^1$

素因数の和:9979

約数の個数: 32

約数和(自身を含む): 139526640

約数和(自身を除く): 77913560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 9811, 19622, 39244, 49055, 78488, 98110, 196220, 392440, 1540327, 3080654, 6161308, 7701635, 12322616, 15403270, 30806540, 61613080]

約数ペア:

[(1, 61613080), (2, 30806540), (4, 15403270), (5, 12322616), (8, 7701635), (10, 6161308), (20, 3080654), (40, 1540327), (157, 392440), (314, 196220), (628, 98110), (785, 78488), (1256, 49055), (1570, 39244), (3140, 19622), (6280, 9811)]