840553040

素因数分解:

$2^4\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{7457}}^1$

素因数の和:8879

約数の個数: 40

約数和(自身を含む): 1955935080

約数和(自身を除く): 1115382040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1409, 2818, 5636, 7045, 7457, 11272, 14090, 14914, 22544, 28180, 29828, 37285, 56360, 59656, 74570, 112720, 119312, 149140, 298280, 596560, 10506913, 21013826, 42027652, 52534565, 84055304, 105069130, 168110608, 210138260, 420276520, 840553040]

約数ペア:

[(1, 840553040), (2, 420276520), (4, 210138260), (5, 168110608), (8, 105069130), (10, 84055304), (16, 52534565), (20, 42027652), (40, 21013826), (80, 10506913), (1409, 596560), (2818, 298280), (5636, 149140), (7045, 119312), (7457, 112720), (11272, 74570), (14090, 59656), (14914, 56360), (22544, 37285), (28180, 29828)]