90738520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133439}}^1$

素因数の和:133467

約数の個数: 32

約数和(自身を含む): 216172800

約数和(自身を除く): 125434280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133439, 266878, 533756, 667195, 1067512, 1334390, 2268463, 2668780, 4536926, 5337560, 9073852, 11342315, 18147704, 22684630, 45369260, 90738520]

約数ペア:

[(1, 90738520), (2, 45369260), (4, 22684630), (5, 18147704), (8, 11342315), (10, 9073852), (17, 5337560), (20, 4536926), (34, 2668780), (40, 2268463), (68, 1334390), (85, 1067512), (136, 667195), (170, 533756), (340, 266878), (680, 133439)]