31112720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22877}}^1$

素因数の和:22907

約数の個数: 40

約数和(自身を含む): 76595544

約数和(自身を除く): 45482824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22877, 45754, 91508, 114385, 183016, 228770, 366032, 388909, 457540, 777818, 915080, 1555636, 1830160, 1944545, 3111272, 3889090, 6222544, 7778180, 15556360, 31112720]

約数ペア:

[(1, 31112720), (2, 15556360), (4, 7778180), (5, 6222544), (8, 3889090), (10, 3111272), (16, 1944545), (17, 1830160), (20, 1555636), (34, 915080), (40, 777818), (68, 457540), (80, 388909), (85, 366032), (136, 228770), (170, 183016), (272, 114385), (340, 91508), (680, 45754), (1360, 22877)]