80798320

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2399}}^1$

素因数の和:2833

約数の個数: 40

約数和(自身を含む): 188380800

約数和(自身を除く): 107582480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2399, 3368, 4210, 4798, 6736, 8420, 9596, 11995, 16840, 19192, 23990, 33680, 38384, 47980, 95960, 191920, 1009979, 2019958, 4039916, 5049895, 8079832, 10099790, 16159664, 20199580, 40399160, 80798320]

約数ペア:

[(1, 80798320), (2, 40399160), (4, 20199580), (5, 16159664), (8, 10099790), (10, 8079832), (16, 5049895), (20, 4039916), (40, 2019958), (80, 1009979), (421, 191920), (842, 95960), (1684, 47980), (2105, 38384), (2399, 33680), (3368, 23990), (4210, 19192), (4798, 16840), (6736, 11995), (8420, 9596)]