55365620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 123029760

約数和(自身を除く): 67664140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 367, 380, 397, 734, 794, 1468, 1588, 1835, 1985, 3670, 3970, 6973, 7340, 7543, 7940, 13946, 15086, 27892, 30172, 34865, 37715, 69730, 75430, 139460, 145699, 150860, 291398, 582796, 728495, 1456990, 2768281, 2913980, 5536562, 11073124, 13841405, 27682810, 55365620]

約数ペア:

[(1, 55365620), (2, 27682810), (4, 13841405), (5, 11073124), (10, 5536562), (19, 2913980), (20, 2768281), (38, 1456990), (76, 728495), (95, 582796), (190, 291398), (367, 150860), (380, 145699), (397, 139460), (734, 75430), (794, 69730), (1468, 37715), (1588, 34865), (1835, 30172), (1985, 27892), (3670, 15086), (3970, 13946), (6973, 7940), (7340, 7543)]