12468800

素因数分解:

$2^6\times 5^2\times {\mathrm{7793}}^1$

素因数の和:7815

約数の個数: 42

約数和(自身を含む): 30684978

約数和(自身を除く): 18216178

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 194825, 249376, 311720, 389650, 498752, 623440, 779300, 1246880, 1558600, 2493760, 3117200, 6234400, 12468800]

約数ペア:

[(1, 12468800), (2, 6234400), (4, 3117200), (5, 2493760), (8, 1558600), (10, 1246880), (16, 779300), (20, 623440), (25, 498752), (32, 389650), (40, 311720), (50, 249376), (64, 194825), (80, 155860), (100, 124688), (160, 77930), (200, 62344), (320, 38965), (400, 31172), (800, 15586), (1600, 7793)]