2770160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 6654336

約数和(自身を除く): 3884176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1117, 1240, 2234, 2480, 4468, 5585, 8936, 11170, 17872, 22340, 34627, 44680, 69254, 89360, 138508, 173135, 277016, 346270, 554032, 692540, 1385080, 2770160]

約数ペア:

[(1, 2770160), (2, 1385080), (4, 692540), (5, 554032), (8, 346270), (10, 277016), (16, 173135), (20, 138508), (31, 89360), (40, 69254), (62, 44680), (80, 34627), (124, 22340), (155, 17872), (248, 11170), (310, 8936), (496, 5585), (620, 4468), (1117, 2480), (1240, 2234)]