80586790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2153}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 153537120

約数和(自身を除く): 72950330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 2153, 3743, 4306, 7486, 10765, 18715, 21530, 37430, 40907, 81814, 204535, 409070, 424141, 848282, 2120705, 4241410, 8058679, 16117358, 40293395, 80586790]

約数ペア:

[(1, 80586790), (2, 40293395), (5, 16117358), (10, 8058679), (19, 4241410), (38, 2120705), (95, 848282), (190, 424141), (197, 409070), (394, 204535), (985, 81814), (1970, 40907), (2153, 37430), (3743, 21530), (4306, 18715), (7486, 10765)]