30855260

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1907}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 64910160

約数和(自身を除く): 34054900

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 1907, 3236, 3814, 4045, 7628, 8090, 9535, 16180, 19070, 38140, 1542763, 3085526, 6171052, 7713815, 15427630, 30855260]

約数ペア:

[(1, 30855260), (2, 15427630), (4, 7713815), (5, 6171052), (10, 3085526), (20, 1542763), (809, 38140), (1618, 19070), (1907, 16180), (3236, 9535), (3814, 8090), (4045, 7628)]