1376888320

素因数分解:

$2^9\times 5^1\times {\mathrm{537847}}^1$

素因数の和:537870

約数の個数: 40

約数和(自身を含む): 3301311024

約数和(自身を除く): 1924422704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 537847, 1075694, 2151388, 2689235, 4302776, 5378470, 8605552, 10756940, 17211104, 21513880, 34422208, 43027760, 68844416, 86055520, 137688832, 172111040, 275377664, 344222080, 688444160, 1376888320]

約数ペア:

[(1, 1376888320), (2, 688444160), (4, 344222080), (5, 275377664), (8, 172111040), (10, 137688832), (16, 86055520), (20, 68844416), (32, 43027760), (40, 34422208), (64, 21513880), (80, 17211104), (128, 10756940), (160, 8605552), (256, 5378470), (320, 4302776), (512, 2689235), (640, 2151388), (1280, 1075694), (2560, 537847)]