40820140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 87139584

約数和(自身を除く): 46319444

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 383, 730, 766, 1460, 1532, 1915, 3830, 5329, 7660, 10658, 21316, 26645, 27959, 53290, 55918, 106580, 111836, 139795, 279590, 559180, 2041007, 4082014, 8164028, 10205035, 20410070, 40820140]

約数ペア:

[(1, 40820140), (2, 20410070), (4, 10205035), (5, 8164028), (10, 4082014), (20, 2041007), (73, 559180), (146, 279590), (292, 139795), (365, 111836), (383, 106580), (730, 55918), (766, 53290), (1460, 27959), (1532, 26645), (1915, 21316), (3830, 10658), (5329, 7660)]