2315780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 4921560

約数和(自身を除く): 2605780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1301, 1780, 2602, 5204, 6505, 13010, 26020, 115789, 231578, 463156, 578945, 1157890, 2315780]

約数ペア:

[(1, 2315780), (2, 1157890), (4, 578945), (5, 463156), (10, 231578), (20, 115789), (89, 26020), (178, 13010), (356, 6505), (445, 5204), (890, 2602), (1301, 1780)]