26389720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^2$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 68081040

約数和(自身を除く): 41691320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 2149, 2456, 3070, 4298, 6140, 8596, 10745, 12280, 17192, 21490, 42980, 85960, 94249, 188498, 376996, 471245, 659743, 753992, 942490, 1319486, 1884980, 2638972, 3298715, 3769960, 5277944, 6597430, 13194860, 26389720]

約数ペア:

[(1, 26389720), (2, 13194860), (4, 6597430), (5, 5277944), (7, 3769960), (8, 3298715), (10, 2638972), (14, 1884980), (20, 1319486), (28, 942490), (35, 753992), (40, 659743), (56, 471245), (70, 376996), (140, 188498), (280, 94249), (307, 85960), (614, 42980), (1228, 21490), (1535, 17192), (2149, 12280), (2456, 10745), (3070, 8596), (4298, 6140)]