12586840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44953}}^1$

素因数の和:44971

約数の個数: 32

約数和(自身を含む): 32366880

約数和(自身を除く): 19780040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44953, 89906, 179812, 224765, 314671, 359624, 449530, 629342, 899060, 1258684, 1573355, 1798120, 2517368, 3146710, 6293420, 12586840]

約数ペア:

[(1, 12586840), (2, 6293420), (4, 3146710), (5, 2517368), (7, 1798120), (8, 1573355), (10, 1258684), (14, 899060), (20, 629342), (28, 449530), (35, 359624), (40, 314671), (56, 224765), (70, 179812), (140, 89906), (280, 44953)]