85275020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 184467360

約数和(自身を除く): 99192340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 430, 433, 458, 860, 866, 916, 1145, 1732, 2165, 2290, 4330, 4580, 8660, 9847, 18619, 19694, 37238, 39388, 49235, 74476, 93095, 98470, 99157, 186190, 196940, 198314, 372380, 396628, 495785, 991570, 1983140, 4263751, 8527502, 17055004, 21318755, 42637510, 85275020]

約数ペア:

[(1, 85275020), (2, 42637510), (4, 21318755), (5, 17055004), (10, 8527502), (20, 4263751), (43, 1983140), (86, 991570), (172, 495785), (215, 396628), (229, 372380), (430, 198314), (433, 196940), (458, 186190), (860, 99157), (866, 98470), (916, 93095), (1145, 74476), (1732, 49235), (2165, 39388), (2290, 37238), (4330, 19694), (4580, 18619), (8660, 9847)]