79912831280

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3191407}}^1$

素因数の和:3191733

約数の個数: 40

約数和(自身を含む): 186390992832

約数和(自身を除く): 106478161552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12520, 25040, 3191407, 6382814, 12765628, 15957035, 25531256, 31914070, 51062512, 63828140, 127656280, 255312560, 998910391, 1997820782, 3995641564, 4994551955, 7991283128, 9989103910, 15982566256, 19978207820, 39956415640, 79912831280]

約数ペア:

[(1, 79912831280), (2, 39956415640), (4, 19978207820), (5, 15982566256), (8, 9989103910), (10, 7991283128), (16, 4994551955), (20, 3995641564), (40, 1997820782), (80, 998910391), (313, 255312560), (626, 127656280), (1252, 63828140), (1565, 51062512), (2504, 31914070), (3130, 25531256), (5008, 15957035), (6260, 12765628), (12520, 6382814), (25040, 3191407)]