1640332520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{67559}}^1$

素因数の和:68177

約数の個数: 32

約数和(自身を含む): 3696883200

約数和(自身を除く): 2056550680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 12140, 24280, 67559, 135118, 270236, 337795, 540472, 675590, 1351180, 2702360, 41008313, 82016626, 164033252, 205041565, 328066504, 410083130, 820166260, 1640332520]

約数ペア:

[(1, 1640332520), (2, 820166260), (4, 410083130), (5, 328066504), (8, 205041565), (10, 164033252), (20, 82016626), (40, 41008313), (607, 2702360), (1214, 1351180), (2428, 675590), (3035, 540472), (4856, 337795), (6070, 270236), (12140, 135118), (24280, 67559)]