80793040

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1931}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 188300448

約数和(自身を除く): 107507408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1931, 2092, 2615, 3862, 4184, 5230, 7724, 8368, 9655, 10460, 15448, 19310, 20920, 30896, 38620, 41840, 77240, 154480, 1009913, 2019826, 4039652, 5049565, 8079304, 10099130, 16158608, 20198260, 40396520, 80793040]

約数ペア:

[(1, 80793040), (2, 40396520), (4, 20198260), (5, 16158608), (8, 10099130), (10, 8079304), (16, 5049565), (20, 4039652), (40, 2019826), (80, 1009913), (523, 154480), (1046, 77240), (1931, 41840), (2092, 38620), (2615, 30896), (3862, 20920), (4184, 19310), (5230, 15448), (7724, 10460), (8368, 9655)]