72210920

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{4919}}^1$

素因数の和:5297

約数の個数: 32

約数和(自身を含む): 162950400

約数和(自身を除く): 90739480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 4919, 7340, 9838, 14680, 19676, 24595, 39352, 49190, 98380, 196760, 1805273, 3610546, 7221092, 9026365, 14442184, 18052730, 36105460, 72210920]

約数ペア:

[(1, 72210920), (2, 36105460), (4, 18052730), (5, 14442184), (8, 9026365), (10, 7221092), (20, 3610546), (40, 1805273), (367, 196760), (734, 98380), (1468, 49190), (1835, 39352), (2936, 24595), (3670, 19676), (4919, 14680), (7340, 9838)]