38752840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138403}}^1$

素因数の和:138421

約数の個数: 32

約数和(自身を含む): 99650880

約数和(自身を除く): 60898040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138403, 276806, 553612, 692015, 968821, 1107224, 1384030, 1937642, 2768060, 3875284, 4844105, 5536120, 7750568, 9688210, 19376420, 38752840]

約数ペア:

[(1, 38752840), (2, 19376420), (4, 9688210), (5, 7750568), (7, 5536120), (8, 4844105), (10, 3875284), (14, 2768060), (20, 1937642), (28, 1384030), (35, 1107224), (40, 968821), (56, 692015), (70, 553612), (140, 276806), (280, 138403)]