78534440

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1847}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 176964480

約数和(自身を除く): 98430040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1847, 2126, 3694, 4252, 5315, 7388, 8504, 9235, 10630, 14776, 18470, 21260, 36940, 42520, 73880, 1963361, 3926722, 7853444, 9816805, 15706888, 19633610, 39267220, 78534440]

約数ペア:

[(1, 78534440), (2, 39267220), (4, 19633610), (5, 15706888), (8, 9816805), (10, 7853444), (20, 3926722), (40, 1963361), (1063, 73880), (1847, 42520), (2126, 36940), (3694, 21260), (4252, 18470), (5315, 14776), (7388, 10630), (8504, 9235)]