2117840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 5142528

約数和(自身を除く): 3024688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1151, 1840, 2302, 4604, 5755, 9208, 11510, 18416, 23020, 26473, 46040, 52946, 92080, 105892, 132365, 211784, 264730, 423568, 529460, 1058920, 2117840]

約数ペア:

[(1, 2117840), (2, 1058920), (4, 529460), (5, 423568), (8, 264730), (10, 211784), (16, 132365), (20, 105892), (23, 92080), (40, 52946), (46, 46040), (80, 26473), (92, 23020), (115, 18416), (184, 11510), (230, 9208), (368, 5755), (460, 4604), (920, 2302), (1151, 1840)]