26517820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27059}}^1$

素因数の和:27082

約数の個数: 36

約数和(自身を含む): 64781640

約数和(自身を除く): 38263820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27059, 54118, 108236, 135295, 189413, 270590, 378826, 541180, 757652, 947065, 1325891, 1894130, 2651782, 3788260, 5303564, 6629455, 13258910, 26517820]

約数ペア:

[(1, 26517820), (2, 13258910), (4, 6629455), (5, 5303564), (7, 3788260), (10, 2651782), (14, 1894130), (20, 1325891), (28, 947065), (35, 757652), (49, 541180), (70, 378826), (98, 270590), (140, 189413), (196, 135295), (245, 108236), (490, 54118), (980, 27059)]