11719240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 29352960

約数和(自身を除く): 17633720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 727, 806, 1240, 1454, 1612, 2015, 2908, 3224, 3635, 4030, 5816, 7270, 8060, 9451, 14540, 16120, 18902, 22537, 29080, 37804, 45074, 47255, 75608, 90148, 94510, 112685, 180296, 189020, 225370, 292981, 378040, 450740, 585962, 901480, 1171924, 1464905, 2343848, 2929810, 5859620, 11719240]

約数ペア:

[(1, 11719240), (2, 5859620), (4, 2929810), (5, 2343848), (8, 1464905), (10, 1171924), (13, 901480), (20, 585962), (26, 450740), (31, 378040), (40, 292981), (52, 225370), (62, 189020), (65, 180296), (104, 112685), (124, 94510), (130, 90148), (155, 75608), (248, 47255), (260, 45074), (310, 37804), (403, 29080), (520, 22537), (620, 18902), (727, 16120), (806, 14540), (1240, 9451), (1454, 8060), (1612, 7270), (2015, 5816), (2908, 4030), (3224, 3635)]