31172000

素因数分解:

$2^5\times 5^3\times {\mathrm{7793}}^1$

素因数の和:7818

約数の個数: 48

約数和(自身を含む): 76599432

約数和(自身を除く): 45427432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 194825, 249376, 311720, 389650, 623440, 779300, 974125, 1246880, 1558600, 1948250, 3117200, 3896500, 6234400, 7793000, 15586000, 31172000]

約数ペア:

[(1, 31172000), (2, 15586000), (4, 7793000), (5, 6234400), (8, 3896500), (10, 3117200), (16, 1948250), (20, 1558600), (25, 1246880), (32, 974125), (40, 779300), (50, 623440), (80, 389650), (100, 311720), (125, 249376), (160, 194825), (200, 155860), (250, 124688), (400, 77930), (500, 62344), (800, 38965), (1000, 31172), (2000, 15586), (4000, 7793)]