20219625040

素因数分解:

$2^4\times 5^1\times {\mathrm{8317}}^1\times {\mathrm{30389}}^1$

素因数の和:38719

約数の個数: 40

約数和(自身を含む): 47017827720

約数和(自身を除く): 26798202680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8317, 16634, 30389, 33268, 41585, 60778, 66536, 83170, 121556, 133072, 151945, 166340, 243112, 303890, 332680, 486224, 607780, 665360, 1215560, 2431120, 252745313, 505490626, 1010981252, 1263726565, 2021962504, 2527453130, 4043925008, 5054906260, 10109812520, 20219625040]

約数ペア:

[(1, 20219625040), (2, 10109812520), (4, 5054906260), (5, 4043925008), (8, 2527453130), (10, 2021962504), (16, 1263726565), (20, 1010981252), (40, 505490626), (80, 252745313), (8317, 2431120), (16634, 1215560), (30389, 665360), (33268, 607780), (41585, 486224), (60778, 332680), (66536, 303890), (83170, 243112), (121556, 166340), (133072, 151945)]