80529340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{547}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 179800992

約数和(自身を除く): 99271652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 433, 547, 866, 1094, 1732, 2165, 2188, 2735, 4330, 5470, 7361, 8660, 9299, 10940, 14722, 18598, 29444, 36805, 37196, 46495, 73610, 92990, 147220, 185980, 236851, 473702, 947404, 1184255, 2368510, 4026467, 4737020, 8052934, 16105868, 20132335, 40264670, 80529340]

約数ペア:

[(1, 80529340), (2, 40264670), (4, 20132335), (5, 16105868), (10, 8052934), (17, 4737020), (20, 4026467), (34, 2368510), (68, 1184255), (85, 947404), (170, 473702), (340, 236851), (433, 185980), (547, 147220), (866, 92990), (1094, 73610), (1732, 46495), (2165, 37196), (2188, 36805), (2735, 29444), (4330, 18598), (5470, 14722), (7361, 10940), (8660, 9299)]