42536240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2699}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 99435600

約数和(自身を除く): 56899360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2699, 3152, 3940, 5398, 7880, 10796, 13495, 15760, 21592, 26990, 43184, 53980, 107960, 215920, 531703, 1063406, 2126812, 2658515, 4253624, 5317030, 8507248, 10634060, 21268120, 42536240]

約数ペア:

[(1, 42536240), (2, 21268120), (4, 10634060), (5, 8507248), (8, 5317030), (10, 4253624), (16, 2658515), (20, 2126812), (40, 1063406), (80, 531703), (197, 215920), (394, 107960), (788, 53980), (985, 43184), (1576, 26990), (1970, 21592), (2699, 15760), (3152, 13495), (3940, 10796), (5398, 7880)]