56191720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108061}}^1$

素因数の和:108085

約数の個数: 32

約数和(自身を含む): 136158120

約数和(自身を除く): 79966400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108061, 216122, 432244, 540305, 864488, 1080610, 1404793, 2161220, 2809586, 4322440, 5619172, 7023965, 11238344, 14047930, 28095860, 56191720]

約数ペア:

[(1, 56191720), (2, 28095860), (4, 14047930), (5, 11238344), (8, 7023965), (10, 5619172), (13, 4322440), (20, 2809586), (26, 2161220), (40, 1404793), (52, 1080610), (65, 864488), (104, 540305), (130, 432244), (260, 216122), (520, 108061)]