6449720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 14584320

約数和(自身を除く): 8134600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 421, 766, 842, 1532, 1684, 1915, 2105, 3064, 3368, 3830, 4210, 7660, 8420, 15320, 16840, 161243, 322486, 644972, 806215, 1289944, 1612430, 3224860, 6449720]

約数ペア:

[(1, 6449720), (2, 3224860), (4, 1612430), (5, 1289944), (8, 806215), (10, 644972), (20, 322486), (40, 161243), (383, 16840), (421, 15320), (766, 8420), (842, 7660), (1532, 4210), (1684, 3830), (1915, 3368), (2105, 3064)]