28214320

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2777}}^1$

素因数の和:2917

約数の個数: 40

約数和(自身を含む): 66138624

約数和(自身を除く): 37924304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 2777, 5080, 5554, 10160, 11108, 13885, 22216, 27770, 44432, 55540, 111080, 222160, 352679, 705358, 1410716, 1763395, 2821432, 3526790, 5642864, 7053580, 14107160, 28214320]

約数ペア:

[(1, 28214320), (2, 14107160), (4, 7053580), (5, 5642864), (8, 3526790), (10, 2821432), (16, 1763395), (20, 1410716), (40, 705358), (80, 352679), (127, 222160), (254, 111080), (508, 55540), (635, 44432), (1016, 27770), (1270, 22216), (2032, 13885), (2540, 11108), (2777, 10160), (5080, 5554)]