80821616

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{136523}}^1$

素因数の和:136568

約数の個数: 20

約数和(自身を含む): 160825272

約数和(自身を除く): 80003656

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 136523, 273046, 546092, 1092184, 2184368, 5051351, 10102702, 20205404, 40410808, 80821616]

約数ペア:

[(1, 80821616), (2, 40410808), (4, 20205404), (8, 10102702), (16, 5051351), (37, 2184368), (74, 1092184), (148, 546092), (296, 273046), (592, 136523)]