26668240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19639

約数の個数: 40

約数和(自身を含む): 65654280

約数和(自身を除く): 38986040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19609, 39218, 78436, 98045, 156872, 196090, 313744, 333353, 392180, 666706, 784360, 1333412, 1568720, 1666765, 2666824, 3333530, 5333648, 6667060, 13334120, 26668240]

約数ペア:

[(1, 26668240), (2, 13334120), (4, 6667060), (5, 5333648), (8, 3333530), (10, 2666824), (16, 1666765), (17, 1568720), (20, 1333412), (34, 784360), (40, 666706), (68, 392180), (80, 333353), (85, 313744), (136, 196090), (170, 156872), (272, 98045), (340, 78436), (680, 39218), (1360, 19609)]