2912256503920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{19688051}}^1$

素因数の和:19688150

約数の個数: 60

約数和(自身を含む): 6932123733096

約数和(自身を除く): 4019867229176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1849, 3440, 3698, 7396, 9245, 14792, 18490, 29584, 36980, 73960, 147920, 19688051, 39376102, 78752204, 98440255, 157504408, 196880510, 315008816, 393761020, 787522040, 846586193, 1575044080, 1693172386, 3386344772, 4232930965, 6772689544, 8465861930, 13545379088, 16931723860, 33863447720, 36403206299, 67726895440, 72806412598, 145612825196, 182016031495, 291225650392, 364032062990, 582451300784, 728064125980, 1456128251960, 2912256503920]

約数ペア:

[(1, 2912256503920), (2, 1456128251960), (4, 728064125980), (5, 582451300784), (8, 364032062990), (10, 291225650392), (16, 182016031495), (20, 145612825196), (40, 72806412598), (43, 67726895440), (80, 36403206299), (86, 33863447720), (172, 16931723860), (215, 13545379088), (344, 8465861930), (430, 6772689544), (688, 4232930965), (860, 3386344772), (1720, 1693172386), (1849, 1575044080), (3440, 846586193), (3698, 787522040), (7396, 393761020), (9245, 315008816), (14792, 196880510), (18490, 157504408), (29584, 98440255), (36980, 78752204), (73960, 39376102), (147920, 19688051)]