65472820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66809}}^1$

素因数の和:66832

約数の個数: 36

約数和(自身を含む): 159943140

約数和(自身を除く): 94470320

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66809, 133618, 267236, 334045, 467663, 668090, 935326, 1336180, 1870652, 2338315, 3273641, 4676630, 6547282, 9353260, 13094564, 16368205, 32736410, 65472820]

約数ペア:

[(1, 65472820), (2, 32736410), (4, 16368205), (5, 13094564), (7, 9353260), (10, 6547282), (14, 4676630), (20, 3273641), (28, 2338315), (35, 1870652), (49, 1336180), (70, 935326), (98, 668090), (140, 467663), (196, 334045), (245, 267236), (490, 133618), (980, 66809)]