80228516

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{1259}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 142884000

約数和(自身を除く): 62655484

約数列:

[1, 2, 4, 89, 178, 179, 356, 358, 716, 1259, 2518, 5036, 15931, 31862, 63724, 112051, 224102, 225361, 448204, 450722, 901444, 20057129, 40114258, 80228516]

約数ペア:

[(1, 80228516), (2, 40114258), (4, 20057129), (89, 901444), (178, 450722), (179, 448204), (356, 225361), (358, 224102), (716, 112051), (1259, 63724), (2518, 31862), (5036, 15931)]