87141220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5333}}^1$

素因数の和:5404

約数の個数: 48

約数和(自身を含む): 197144640

約数和(自身を除く): 110003420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 5333, 8170, 10666, 16340, 21332, 26665, 53330, 101327, 106660, 202654, 229319, 405308, 458638, 506635, 917276, 1013270, 1146595, 2026540, 2293190, 4357061, 4586380, 8714122, 17428244, 21785305, 43570610, 87141220]

約数ペア:

[(1, 87141220), (2, 43570610), (4, 21785305), (5, 17428244), (10, 8714122), (19, 4586380), (20, 4357061), (38, 2293190), (43, 2026540), (76, 1146595), (86, 1013270), (95, 917276), (172, 506635), (190, 458638), (215, 405308), (380, 229319), (430, 202654), (817, 106660), (860, 101327), (1634, 53330), (3268, 26665), (4085, 21332), (5333, 16340), (8170, 10666)]