27171440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20009

約数の個数: 40

約数和(自身を含む): 66893040

約数和(自身を除く): 39721600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19979, 39958, 79916, 99895, 159832, 199790, 319664, 339643, 399580, 679286, 799160, 1358572, 1598320, 1698215, 2717144, 3396430, 5434288, 6792860, 13585720, 27171440]

約数ペア:

[(1, 27171440), (2, 13585720), (4, 6792860), (5, 5434288), (8, 3396430), (10, 2717144), (16, 1698215), (17, 1598320), (20, 1358572), (34, 799160), (40, 679286), (68, 399580), (80, 339643), (85, 319664), (136, 199790), (170, 159832), (272, 99895), (340, 79916), (680, 39958), (1360, 19979)]