40240520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13781}}^1$

素因数の和:13865

約数の個数: 32

約数和(自身を含む): 91788120

約数和(自身を除く): 51547600

約数列:

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

約数ペア:

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