123517040

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3517}}^1$

素因数の和:3969

約数の個数: 40

約数和(自身を含む): 287913120

約数和(自身を除く): 164396080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 3517, 4390, 7024, 7034, 8780, 14068, 17560, 17585, 28136, 35120, 35170, 56272, 70340, 140680, 281360, 1543963, 3087926, 6175852, 7719815, 12351704, 15439630, 24703408, 30879260, 61758520, 123517040]

約数ペア:

[(1, 123517040), (2, 61758520), (4, 30879260), (5, 24703408), (8, 15439630), (10, 12351704), (16, 7719815), (20, 6175852), (40, 3087926), (80, 1543963), (439, 281360), (878, 140680), (1756, 70340), (2195, 56272), (3512, 35170), (3517, 35120), (4390, 28136), (7024, 17585), (7034, 17560), (8780, 14068)]