71268520

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{7393}}^1$

素因数の和:7645

約数の個数: 32

約数和(自身を含む): 161041320

約数和(自身を除く): 89772800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 7393, 9640, 14786, 29572, 36965, 59144, 73930, 147860, 295720, 1781713, 3563426, 7126852, 8908565, 14253704, 17817130, 35634260, 71268520]

約数ペア:

[(1, 71268520), (2, 35634260), (4, 17817130), (5, 14253704), (8, 8908565), (10, 7126852), (20, 3563426), (40, 1781713), (241, 295720), (482, 147860), (964, 73930), (1205, 59144), (1928, 36965), (2410, 29572), (4820, 14786), (7393, 9640)]