7240280

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{571}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 16370640

約数和(自身を除く): 9130360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 571, 634, 1142, 1268, 1585, 2284, 2536, 2855, 3170, 4568, 5710, 6340, 11420, 12680, 22840, 181007, 362014, 724028, 905035, 1448056, 1810070, 3620140, 7240280]

約数ペア:

[(1, 7240280), (2, 3620140), (4, 1810070), (5, 1448056), (8, 905035), (10, 724028), (20, 362014), (40, 181007), (317, 22840), (571, 12680), (634, 11420), (1142, 6340), (1268, 5710), (1585, 4568), (2284, 3170), (2536, 2855)]