125181520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22039}}^1$

素因数の和:22123

約数の個数: 40

約数和(自身を含む): 295159680

約数和(自身を除く): 169978160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 22039, 44078, 88156, 110195, 176312, 220390, 352624, 440780, 881560, 1564769, 1763120, 3129538, 6259076, 7823845, 12518152, 15647690, 25036304, 31295380, 62590760, 125181520]

約数ペア:

[(1, 125181520), (2, 62590760), (4, 31295380), (5, 25036304), (8, 15647690), (10, 12518152), (16, 7823845), (20, 6259076), (40, 3129538), (71, 1763120), (80, 1564769), (142, 881560), (284, 440780), (355, 352624), (568, 220390), (710, 176312), (1136, 110195), (1420, 88156), (2840, 44078), (5680, 22039)]