8468020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 19748736

約数和(自身を除く): 11280716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 631, 671, 1220, 1262, 1342, 2524, 2684, 3155, 3355, 6310, 6710, 6941, 12620, 13420, 13882, 27764, 34705, 38491, 69410, 76982, 138820, 153964, 192455, 384910, 423401, 769820, 846802, 1693604, 2117005, 4234010, 8468020]

約数ペア:

[(1, 8468020), (2, 4234010), (4, 2117005), (5, 1693604), (10, 846802), (11, 769820), (20, 423401), (22, 384910), (44, 192455), (55, 153964), (61, 138820), (110, 76982), (122, 69410), (220, 38491), (244, 34705), (305, 27764), (610, 13882), (631, 13420), (671, 12620), (1220, 6941), (1262, 6710), (1342, 6310), (2524, 3355), (2684, 3155)]