80481040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13781}}^1$

素因数の和:13867

約数の個数: 40

約数和(自身を含む): 189695448

約数和(自身を除く): 109214408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13781, 27562, 55124, 68905, 110248, 137810, 220496, 275620, 551240, 1006013, 1102480, 2012026, 4024052, 5030065, 8048104, 10060130, 16096208, 20120260, 40240520, 80481040]

約数ペア:

[(1, 80481040), (2, 40240520), (4, 20120260), (5, 16096208), (8, 10060130), (10, 8048104), (16, 5030065), (20, 4024052), (40, 2012026), (73, 1102480), (80, 1006013), (146, 551240), (292, 275620), (365, 220496), (584, 137810), (730, 110248), (1168, 68905), (1460, 55124), (2920, 27562), (5840, 13781)]