55484720

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1747}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 129400944

約数和(自身を除く): 73916224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1747, 1985, 3176, 3494, 3970, 6352, 6988, 7940, 8735, 13976, 15880, 17470, 27952, 31760, 34940, 69880, 139760, 693559, 1387118, 2774236, 3467795, 5548472, 6935590, 11096944, 13871180, 27742360, 55484720]

約数ペア:

[(1, 55484720), (2, 27742360), (4, 13871180), (5, 11096944), (8, 6935590), (10, 5548472), (16, 3467795), (20, 2774236), (40, 1387118), (80, 693559), (397, 139760), (794, 69880), (1588, 34940), (1747, 31760), (1985, 27952), (3176, 17470), (3494, 15880), (3970, 13976), (6352, 8735), (6988, 7940)]