54179680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19919}}^1$

素因数の和:19951

約数の個数: 48

約数和(自身を含む): 135535680

約数和(自身を除く): 81356000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 19919, 39838, 79676, 99595, 159352, 199190, 318704, 338623, 398380, 637408, 677246, 796760, 1354492, 1593520, 1693115, 2708984, 3187040, 3386230, 5417968, 6772460, 10835936, 13544920, 27089840, 54179680]

約数ペア:

[(1, 54179680), (2, 27089840), (4, 13544920), (5, 10835936), (8, 6772460), (10, 5417968), (16, 3386230), (17, 3187040), (20, 2708984), (32, 1693115), (34, 1593520), (40, 1354492), (68, 796760), (80, 677246), (85, 637408), (136, 398380), (160, 338623), (170, 318704), (272, 199190), (340, 159352), (544, 99595), (680, 79676), (1360, 39838), (2720, 19919)]