77123560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113417}}^1$

素因数の和:113445

約数の個数: 32

約数和(自身を含む): 183737160

約数和(自身を除く): 106613600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 113417, 226834, 453668, 567085, 907336, 1134170, 1928089, 2268340, 3856178, 4536680, 7712356, 9640445, 15424712, 19280890, 38561780, 77123560]

約数ペア:

[(1, 77123560), (2, 38561780), (4, 19280890), (5, 15424712), (8, 9640445), (10, 7712356), (17, 4536680), (20, 3856178), (34, 2268340), (40, 1928089), (68, 1134170), (85, 907336), (136, 567085), (170, 453668), (340, 226834), (680, 113417)]