5136321040

素因数分解:

$2^4\times 5^1\times {\mathrm{64204013}}^1$

素因数の和:64204026

約数の個数: 20

約数和(自身を含む): 11941946604

約数和(自身を除く): 6805625564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64204013, 128408026, 256816052, 321020065, 513632104, 642040130, 1027264208, 1284080260, 2568160520, 5136321040]

約数ペア:

[(1, 5136321040), (2, 2568160520), (4, 1284080260), (5, 1027264208), (8, 642040130), (10, 513632104), (16, 321020065), (20, 256816052), (40, 128408026), (80, 64204013)]