12797660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 28740096

約数和(自身を除く): 15942436

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 647, 860, 989, 1294, 1978, 2588, 3235, 3956, 4945, 6470, 9890, 12940, 14881, 19780, 27821, 29762, 55642, 59524, 74405, 111284, 139105, 148810, 278210, 297620, 556420, 639883, 1279766, 2559532, 3199415, 6398830, 12797660]

約数ペア:

[(1, 12797660), (2, 6398830), (4, 3199415), (5, 2559532), (10, 1279766), (20, 639883), (23, 556420), (43, 297620), (46, 278210), (86, 148810), (92, 139105), (115, 111284), (172, 74405), (215, 59524), (230, 55642), (430, 29762), (460, 27821), (647, 19780), (860, 14881), (989, 12940), (1294, 9890), (1978, 6470), (2588, 4945), (3235, 3956)]