2488240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 6093360

約数和(自身を除く): 3605120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1637, 3274, 6548, 8185, 13096, 16370, 26192, 31103, 32740, 62206, 65480, 124412, 130960, 155515, 248824, 311030, 497648, 622060, 1244120, 2488240]

約数ペア:

[(1, 2488240), (2, 1244120), (4, 622060), (5, 497648), (8, 311030), (10, 248824), (16, 155515), (19, 130960), (20, 124412), (38, 65480), (40, 62206), (76, 32740), (80, 31103), (95, 26192), (152, 16370), (190, 13096), (304, 8185), (380, 6548), (760, 3274), (1520, 1637)]