80018704

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{70439}}^1$

素因数の和:70518

約数の個数: 20

約数和(自身を含む): 157222080

約数和(自身を除く): 77203376

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 70439, 140878, 281756, 563512, 1127024, 5001169, 10002338, 20004676, 40009352, 80018704]

約数ペア:

[(1, 80018704), (2, 40009352), (4, 20004676), (8, 10002338), (16, 5001169), (71, 1127024), (142, 563512), (284, 281756), (568, 140878), (1136, 70439)]