140648320

素因数分解:

$2^7\times 5^1\times {\mathrm{219763}}^1$

素因数の和:219782

約数の個数: 32

約数和(自身を含む): 336238920

約数和(自身を除く): 195590600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 219763, 439526, 879052, 1098815, 1758104, 2197630, 3516208, 4395260, 7032416, 8790520, 14064832, 17581040, 28129664, 35162080, 70324160, 140648320]

約数ペア:

[(1, 140648320), (2, 70324160), (4, 35162080), (5, 28129664), (8, 17581040), (10, 14064832), (16, 8790520), (20, 7032416), (32, 4395260), (40, 3516208), (64, 2197630), (80, 1758104), (128, 1098815), (160, 879052), (320, 439526), (640, 219763)]