1920782.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 30611880

約数和(自身を除く): 17510360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 421, 778, 842, 1556, 1684, 1945, 2105, 3112, 3368, 3890, 4210, 6224, 6736, 7780, 8420, 15560, 16840, 31120, 33680, 163769, 327538, 655076, 818845, 1310152, 1637690, 2620304, 3275380, 6550760, 13101520]

約数ペア:

[(1, 13101520), (2, 6550760), (4, 3275380), (5, 2620304), (8, 1637690), (10, 1310152), (16, 818845), (20, 655076), (40, 327538), (80, 163769), (389, 33680), (421, 31120), (778, 16840), (842, 15560), (1556, 8420), (1684, 7780), (1945, 6736), (2105, 6224), (3112, 4210), (3368, 3890)]