80897072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{219829}}^1$

素因数の和:219860

約数の個数: 20

約数和(自身を含む): 163553520

約数和(自身を除く): 82656448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 219829, 439658, 879316, 1758632, 3517264, 5056067, 10112134, 20224268, 40448536, 80897072]

約数ペア:

[(1, 80897072), (2, 40448536), (4, 20224268), (8, 10112134), (16, 5056067), (23, 3517264), (46, 1758632), (92, 879316), (184, 439658), (368, 219829)]