201481040

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15451}}^1$

素因数の和:15627

約数の個数: 40

約数和(自身を含む): 471347808

約数和(自身を除く): 269866768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 15451, 30902, 61804, 77255, 123608, 154510, 247216, 309020, 618040, 1236080, 2518513, 5037026, 10074052, 12592565, 20148104, 25185130, 40296208, 50370260, 100740520, 201481040]

約数ペア:

[(1, 201481040), (2, 100740520), (4, 50370260), (5, 40296208), (8, 25185130), (10, 20148104), (16, 12592565), (20, 10074052), (40, 5037026), (80, 2518513), (163, 1236080), (326, 618040), (652, 309020), (815, 247216), (1304, 154510), (1630, 123608), (2608, 77255), (3260, 61804), (6520, 30902), (13040, 15451)]