83838640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2903}}^1$

素因数の和:2954

約数の個数: 60

約数和(自身を含む): 205794864

約数和(自身を除く): 121956224

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 2903, 3610, 5776, 5806, 7220, 11612, 14440, 14515, 23224, 28880, 29030, 46448, 55157, 58060, 110314, 116120, 220628, 232240, 275785, 441256, 551570, 882512, 1047983, 1103140, 2095966, 2206280, 4191932, 4412560, 5239915, 8383864, 10479830, 16767728, 20959660, 41919320, 83838640]

約数ペア:

[(1, 83838640), (2, 41919320), (4, 20959660), (5, 16767728), (8, 10479830), (10, 8383864), (16, 5239915), (19, 4412560), (20, 4191932), (38, 2206280), (40, 2095966), (76, 1103140), (80, 1047983), (95, 882512), (152, 551570), (190, 441256), (304, 275785), (361, 232240), (380, 220628), (722, 116120), (760, 110314), (1444, 58060), (1520, 55157), (1805, 46448), (2888, 29030), (2903, 28880), (3610, 23224), (5776, 14515), (5806, 14440), (7220, 11612)]