80715280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43867}}^1$

素因数の和:43903

約数の個数: 40

約数和(自身を含む): 195826752

約数和(自身を除く): 115111472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 43867, 87734, 175468, 219335, 350936, 438670, 701872, 877340, 1008941, 1754680, 2017882, 3509360, 4035764, 5044705, 8071528, 10089410, 16143056, 20178820, 40357640, 80715280]

約数ペア:

[(1, 80715280), (2, 40357640), (4, 20178820), (5, 16143056), (8, 10089410), (10, 8071528), (16, 5044705), (20, 4035764), (23, 3509360), (40, 2017882), (46, 1754680), (80, 1008941), (92, 877340), (115, 701872), (184, 438670), (230, 350936), (368, 219335), (460, 175468), (920, 87734), (1840, 43867)]