39955480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2767}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 94914720

約数和(自身を除く): 54959240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2767, 2888, 3610, 5534, 7220, 11068, 13835, 14440, 22136, 27670, 52573, 55340, 105146, 110680, 210292, 262865, 420584, 525730, 998887, 1051460, 1997774, 2102920, 3995548, 4994435, 7991096, 9988870, 19977740, 39955480]

約数ペア:

[(1, 39955480), (2, 19977740), (4, 9988870), (5, 7991096), (8, 4994435), (10, 3995548), (19, 2102920), (20, 1997774), (38, 1051460), (40, 998887), (76, 525730), (95, 420584), (152, 262865), (190, 210292), (361, 110680), (380, 105146), (722, 55340), (760, 52573), (1444, 27670), (1805, 22136), (2767, 14440), (2888, 13835), (3610, 11068), (5534, 7220)]