8192740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 17962560

約数和(自身を除く): 9769820

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 131, 212, 236, 262, 265, 295, 524, 530, 590, 655, 1060, 1180, 1310, 2620, 3127, 6254, 6943, 7729, 12508, 13886, 15458, 15635, 27772, 30916, 31270, 34715, 38645, 62540, 69430, 77290, 138860, 154580, 409637, 819274, 1638548, 2048185, 4096370, 8192740]

約数ペア:

[(1, 8192740), (2, 4096370), (4, 2048185), (5, 1638548), (10, 819274), (20, 409637), (53, 154580), (59, 138860), (106, 77290), (118, 69430), (131, 62540), (212, 38645), (236, 34715), (262, 31270), (265, 30916), (295, 27772), (524, 15635), (530, 15458), (590, 13886), (655, 12508), (1060, 7729), (1180, 6943), (1310, 6254), (2620, 3127)]