40218640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6529}}^1$

素因数の和:6560

約数の個数: 80

約数和(自身を含む): 116599680

約数和(自身を除く): 76381040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 6529, 13058, 26116, 32645, 45703, 52232, 65290, 71819, 91406, 104464, 130580, 143638, 182812, 228515, 261160, 287276, 359095, 365624, 457030, 502733, 522320, 574552, 718190, 731248, 914060, 1005466, 1149104, 1436380, 1828120, 2010932, 2513665, 2872760, 3656240, 4021864, 5027330, 5745520, 8043728, 10054660, 20109320, 40218640]

約数ペア:

[(1, 40218640), (2, 20109320), (4, 10054660), (5, 8043728), (7, 5745520), (8, 5027330), (10, 4021864), (11, 3656240), (14, 2872760), (16, 2513665), (20, 2010932), (22, 1828120), (28, 1436380), (35, 1149104), (40, 1005466), (44, 914060), (55, 731248), (56, 718190), (70, 574552), (77, 522320), (80, 502733), (88, 457030), (110, 365624), (112, 359095), (140, 287276), (154, 261160), (176, 228515), (220, 182812), (280, 143638), (308, 130580), (385, 104464), (440, 91406), (560, 71819), (616, 65290), (770, 52232), (880, 45703), (1232, 32645), (1540, 26116), (3080, 13058), (6160, 6529)]