25277840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45139}}^1$

素因数の和:45159

約数の個数: 40

約数和(自身を含む): 67168320

約数和(自身を除く): 41890480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45139, 90278, 180556, 225695, 315973, 361112, 451390, 631946, 722224, 902780, 1263892, 1579865, 1805560, 2527784, 3159730, 3611120, 5055568, 6319460, 12638920, 25277840]

約数ペア:

[(1, 25277840), (2, 12638920), (4, 6319460), (5, 5055568), (7, 3611120), (8, 3159730), (10, 2527784), (14, 1805560), (16, 1579865), (20, 1263892), (28, 902780), (35, 722224), (40, 631946), (56, 451390), (70, 361112), (80, 315973), (112, 225695), (140, 180556), (280, 90278), (560, 45139)]