1212967040

素因数分解:

$2^7\times 5^1\times {\mathrm{1895261}}^1$

素因数の和:1895280

約数の個数: 32

約数和(自身を含む): 2899750860

約数和(自身を除く): 1686783820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1895261, 3790522, 7581044, 9476305, 15162088, 18952610, 30324176, 37905220, 60648352, 75810440, 121296704, 151620880, 242593408, 303241760, 606483520, 1212967040]

約数ペア:

[(1, 1212967040), (2, 606483520), (4, 303241760), (5, 242593408), (8, 151620880), (10, 121296704), (16, 75810440), (20, 60648352), (32, 37905220), (40, 30324176), (64, 18952610), (80, 15162088), (128, 9476305), (160, 7581044), (320, 3790522), (640, 1895261)]