78304040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115153}}^1$

素因数の和:115181

約数の個数: 32

約数和(自身を含む): 186549480

約数和(自身を除く): 108245440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115153, 230306, 460612, 575765, 921224, 1151530, 1957601, 2303060, 3915202, 4606120, 7830404, 9788005, 15660808, 19576010, 39152020, 78304040]

約数ペア:

[(1, 78304040), (2, 39152020), (4, 19576010), (5, 15660808), (8, 9788005), (10, 7830404), (17, 4606120), (20, 3915202), (34, 2303060), (40, 1957601), (68, 1151530), (85, 921224), (136, 575765), (170, 460612), (340, 230306), (680, 115153)]