1284152080

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{40433}}^1$

素因数の和:40843

約数の個数: 40

約数和(自身を含む): 2993248152

約数和(自身を除く): 1709096072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 31760, 40433, 80866, 161732, 202165, 323464, 404330, 646928, 808660, 1617320, 3234640, 16051901, 32103802, 64207604, 80259505, 128415208, 160519010, 256830416, 321038020, 642076040, 1284152080]

約数ペア:

[(1, 1284152080), (2, 642076040), (4, 321038020), (5, 256830416), (8, 160519010), (10, 128415208), (16, 80259505), (20, 64207604), (40, 32103802), (80, 16051901), (397, 3234640), (794, 1617320), (1588, 808660), (1985, 646928), (3176, 404330), (3970, 323464), (6352, 202165), (7940, 161732), (15880, 80866), (31760, 40433)]