28615720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102199}}^1$

素因数の和:102217

約数の個数: 32

約数和(自身を含む): 73584000

約数和(自身を除く): 44968280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102199, 204398, 408796, 510995, 715393, 817592, 1021990, 1430786, 2043980, 2861572, 3576965, 4087960, 5723144, 7153930, 14307860, 28615720]

約数ペア:

[(1, 28615720), (2, 14307860), (4, 7153930), (5, 5723144), (7, 4087960), (8, 3576965), (10, 2861572), (14, 2043980), (20, 1430786), (28, 1021990), (35, 817592), (40, 715393), (56, 510995), (70, 408796), (140, 204398), (280, 102199)]